Treatment in Istanbul (Turkey)

Experience

2021 year - 2022 year

Clinical Manager of Radiation Oncology, Medicana International Istanbul Hospital

2021 year - 2022 year

Department of Radiation Oncology, Biruni University Faculty of Medicine

2020 year - 2021 year

Clinical Manager of Radiation Oncology, Medicana International Istanbul Hospital

2017 year - 2020 year

Clinical Manager of Radiation Oncology, Neolife Medical Center

2016 year - 2017 year

Department of Radiation Oncology, Eskişehir Osmangazi University Faculty of Medicine

2011 year - 2016 year

Department of Radiation Oncology, Eskişehir Osmangazi University Faculty of Medicine

2010 year - 2011 year

Department of Radiation Oncology, Eskişehir Osmangazi University Faculty of Medicine

2008 year - 2010 year

Radiation Oncology Clinic, Samsun Training and Research Hospital (Education Coordinator)

2006 year

Medical Faculty, Dokuz Eylül University

2006 year - 2008 year

Radiation Oncology Clinic, Samsun Mehmet Aydın State Hospital (Compulsory Service)

2000 year - 2006 year

Medical Faculty, Dokuz Eylül University

Education

2022 year

Biruni University Faculty of Medicine, Department of Radiation Oncology, Faculty Member, Professor Doctor

2022 year

Anadolu University Open Education Faculty Undergraduate Program, Cultural Heritage and Tourism

2021 year

Feyziye Schools Foundation Işık University Health Services Vocational School, Faculty Member, Associate Professor Doctor

2017 year

Eskişehir Osmangazi University Faculty of Medicine, Department of Radiation Oncology, Faculty Member

2017 year

Eskişehir Osmangazi University Faculty of Medicine, Department of Radiation Oncology, Associate Professor Doctor

2006 year

Samsun Training and Research Hospital, Specialist Doctor, Compulsory Service

2006 year

Dokuz Eylül University Faculty of Medicine, Department of Radiation Oncology, Medical Specialization

1998 year

Ege University, Faculty of Medicine

Experience

2022

Private Nisa Hospital

2022 - 2022

American Hip Institute Chicago, USA

2018 - 2022

Health Sciences University Bağcılar Training and Research Hospital

2016 - 2018

Erzincan Mengücek Gazi Training and Research Hospital

2015 - 2015

Helios Endo Clinic, Hamburg, Germany

2015 - 2015

UPENN Sports Medicine Center, Philadelphia, USA

Education

2021

ISTANBUL UNIVERSITY ISTANBUL FACULTY OF MEDICINE, Department of Sports Medicine, Football Medicine

2016

Health Sciences University, Department of Orthopedics and Traumatology

2009

ISTANBUL UNIVERSITY, FACULTY OF MEDICINE

Assoc. Prof. Ozdogan, M.D., Ph.D., completed his education at Yeditepe University Health Sciences Institute in the Molecular Medicine Doctorate Program under Prof. Dr. Turgay İsbir, and he also studied at Saint Louis University in Arkansas, USA, with Prof. Dr. M. Gazi Yasargil. He pursued a Clinical Fellowship in Brain and Nerve Surgery at Yeditepe University Hospital, guided by Prof. Dr. Yasargil and Prof. Dr. Uğur Türe. Additionally, he underwent specialization training at Ufuk University Faculty of Medicine, the Faculty of Medicine at Gazi University, and completed his secondary education at İçel Anatolian High School.

Professionally, he has held various positions, including Faculty Member in the Department of Neurosurgery at Haliç University, and Associate Professor at Private Adatip Istanbul Hospital and Biruni University Hospital. He has also served as an Associate Professor at S.B.U. Kartal, Sancaktepe, and Istanbul Training and Research Hospitals, and worked as a Chief Assistant at S.B.U. Gaziosmanpaşa Taksim and Kartal Training and Research Hospitals. His earlier roles include Specialist Doctor at S.B.U. Baltalimanı Bone Diseases Hospital and Mus State Hospital, as well as Clinical Fellow at Yeditepe University Faculty of Medicine Hospital.

Assoc. Prof. Özdoğan is a member of several professional associations, including the Turkish Neurosurgery Association, Turkish Spine Association, and the Turkish Neurosurgery Society’s Neuroanatomy, Neurovascular, and Neurooncology Groups. He is also affiliated with the European Association of Neurosurgical Societies.

Education and Expertise 

2012 – Atatürk University Faculty of Medicine – Medical education 

2017 -- University of Health Sciences Istanbul Prof. Dr. N. Reşat Belger Beyoğlu Eye Training and Research Hospital – Specialization 

Courses and Certificates 

TOD 52nd National Congress Cataract and Refr. Surgery BİLEP course 

TODEM Glaucoma Surgery Skill Transfer Program-3 course 

Professional Memberships 

Turkish Medical Association 

Turkish Ophthalmology Association

Articles published in international peer-reviewed journals: 

A1. Changes in Higher-Order Aberrations After Phototherapeutic Keratectomy for Subepithelial Corneal Infiltrates After Epidemic Keratoconjunctivitis (Kepez Yildiz B, Urvasizoglu S, Yildirim Y, Agca A, K Besek N, Fazil K, Eris E, Aygit ED,Taskapili M,Demirok A.) cornea 2017 Oct;36(10):1233-1236. doi: 10.1097/ICO.000000000000129 

A2. Comparison of three methods of tonometry in normal subjects: Goldmann applanation tonometer, non-contact airpuff tonometer, and Tono-Pen XL(Yilmaz I, Altan C, Aygit ED, Alagoz C, Baz O, Ahmet S, Urvasizoglu S, Yasa D, Demirok A Clin Ophthalmol 2014 Jun 7;8:1069-74.doi:10.2147/OPTH.S6391. 

Papers presented at international scientific meetings and published in the proceedings book 

B1. Berna Basarir1, Banu Satana*1, Cigdem Altan1, Semih Urvasizoglu1, Funda Ebru Onmez1, Isil Pasaoglu1, Gamze Ozturk-Karabulut1, Ferah Ozcelik1 " EFFICACY OF TRABECULECTOMY WITH MITOMYCIN-C IN THE MANAGEA GLASS UVEITIS ” Poster notification ( P-FS-349 ), Helsinki, Finland, JuneJuly

Papers presented at national scientific meetings and published in proceedings books:

 C1.S.Urvasızoğlu,Z.Alkın,A.Özkaya,C.Alagöz,Ç.Altan,K.Yüksel,AT.Yazıcı,A.Demirok, “47. "Effectiveness of topical nevanac use in the treatment of acute central serous chorioretinopathy" in the booklet of the "National Turkish Ophthalmology Congress" Poster report (PS-0796), Antalya, Turkey, November, 2013 

C2.S.Urvasızoğlu,Y.Özpınar,İ.Tanır,Y.Yıldırım,A.Ağca,T.Saıcı,Y.Ş.Göker,A.Demirok in the proceedings booklet of the 48th National Turkish Ophthalmology Congress “Femtosecond laser with intracorneal ring placement results” Poster notification (PS-0165), Antalya, Turkey, November, 2014 

C3. S.Urvasızoğlu,Y.Özpınar,İ.Tanır,E.Bozkurt “Effect of Nd-YAG laser posterior capsulotomy on anterior chamber depth” in the proceedings booklet of the 48th National Turkish Ophthalmology Congress Poster report (PS-0456), Antalya, Turkey, November, 2014 

C4. İ.Tanır,Y.Özpınar,U.Ürdem,M.Altun, S.Urvasızoğlu, A.Demirok "Comparison of anterior chamber depth measurement of SIRIUS and ORBSCAN devices" in the proceedings booklet of the 48th National Turkish Ophthalmology Congress Poster report (PS-0185), Antalya, Turkey, November, 2014 

C5. M.Özveren,K.Yüksel,Kİ.Çankaya, A.Özkaya ,M.Toğaç, MC.Öcal, U.Çiçek, S.Urvasızoğlu, G.Demir,S.Ahmet,AT.Yazıcı,A.Demirok 48th National “Success and complications of pneumatic retinopexy application in the treatment of rhegmatogenous retinal detachment” in the Turkish Ophthalmology Congress proceedings booklet, Poster report (PS-1233), Antalya, Turkey, November, 2014 

C6. Semih Urvasızoğlu, Burçin Kepez Yıldız, Yusuf Yıldırım, Alper Ağca, Ahmet Demirok, Muhittin Taşkapılı Effect of Treatment of Corneal Subepithelial Infiltrals with Sequelae of Adenoviral Keratoconjunctivitis with Phototherapeutic Keratectomy on Corneal High Row Aberrations Poster presentation [PS-0592] 2016 November-TOD 50th National Congress 

C7. Yusuf Yıldırım, Semih Urvasızoğlu, Burçin Kepez Yıldız, Alper Ağca, Ahmet Demirok, Muhittin Taşkapılı Visual and refractive results of the treatment of granular corneal dystrophies with phototherapeutic keratectomy Poster presentation [PS-0286] 2016 November-TOD 50th National Congress 

C8. Semih Urvasızoğlu, Zeynep Alkın, Ali Demircan, Dilek Yaşa, Cengiz Alagöz, Ayşe Çiğdem Altan, Ahmet Demirok “The Effect of Prognostic Factors in Chronic Central Serous Chorioretinopathy on Visual and Morphological Results After Half Fluens Photodynamic Therapy” in the 51st National Turkish Ophthalmology Congress proceedings booklet. Poster notification ( PS-0800), Antalya, Turkey, October, 2017 

C9. Semih Urvasızoğlu, Gökhan Demir, Gizem Kutlutürk, Cengiz Alagöz, Dilek Yaşa, Sarıye Taşkoparan, Gürkan Erdoğan, Ahmet Demirok “Our 23 Gauge Pars Plana Vitrectomy Results Performed for Secondary Retinal Detachment” in the proceedings booklet of the 51st National Turkish Ophthalmology Congress Poster notification (PS- 1064), Antalya, Turkey, October , 2017 

Domestic 

C10. Zeynep Alkın, Semih Urvasızoğlu, Dilek Yaşa, Cengiz Alagöz, Çiğdem Altan, Ahmet Demirok Oral presentation of “The Effect of Prognostic Factors in Chronic Central Serous Chorioretinopathy on Relapse After Half-Fluens Photodynamic Therapy” in the proceedings booklet of the 51st National Turkish Ophthalmology Congress (SS-TR-57), Antalya, Turkey, October , 2017

Education

Undergraduate: Faculty of Medicine, Selcuk University, 2011 year.
Master's: Faculty of Medicine, Selcuk University, 2011 year.
Ph: Plastic Reconstructive and Aesthetic Surgery, University of Health Sciences Faculty of Medicine, 2012 year.Ph: Immunology, Istanbul University Aziz Sancar Experimental Medicine Research Institute, 2024 year (ongoing)

Experience
Assistant Physician: Health Sciences University Plastic Surgery Clinic, 2012 year to 2017 year.
Specialist Physician: Batman Regional Training and Research Hospital, 2017 year to 2019 year.
Specialist Physician: Private Batman Medicalpark Hospital, 2019 year to 2022 year.

Scientific Memberships
Turkish Medical Association (2019 year - active)
Turkish Society of Plastic, Reconstructive and Aesthetic Surgery (2022 year - active)
Reconstructionktif Microsurgery Association (2024 year - active)
European Association of Plastic Surgeons (EURAPS) (2023 year - active)
The International Society for Burns Injuries (ISBI) (2024 year - active)
The International Society of Aesthetic Plastic Surgery (ISAPS) (2024 year - active)

Medical Interests
 

• Aesthetic Surgery
• Oral, Facial and Maxillofacial Surgery
• Microsurgery
• Hand Surgery
• Burn and Wound Treatment
• Congenital Anomalies

Mehmet Özdemir, a Turkish national born on July 20, 1990, in Mardin, Turkey, is a dedicated and accomplished medical professional. He completed his primary education in Mardin before pursuing his secondary education at Siirt Science High School in Siirt, Turkey. Later, he studied Medicine at Istanbul University Cerrahpaşa Medical Faculty English Division from September 2008 to August 2014. He began his residency as an Emergency Physician at Nusaybin State Hospital and continued his medical journey with various positions, including Resident Doctor at Dicle University Medical Faculty, specializing in Plastic, Reconstructive, and Aesthetic Surgery. Özdemir's extensive experience includes electiveships and fellowships at prestigious institutions such as Hannover Medical School in Germany and Cerrahpaşa University Medical Faculty in Turkey. Notably, he conducted research on novel graft techniques for rhinoplasty, earning him recognition under the supervision of Dr. Mehmet Fatih Akkoç. Özdemir further enriched his expertise through elective programs and fellowships, including a recent fellowship at the Auersvald Clinic in Curitiba, Brazil, under the guidance of Dr. Andre Auersvald. With a diverse background and a commitment to excellence, Mehmet Özdemir is a skilled Specialist Doctor in Plastic, Reconstructive, and Aesthetic Surgery based in Diyarbakır, Turkey.

Dr. M Altan Kaya is a skilled surgeon. He specializes in gastric bypass, gastric sleeve, breast cancer surgery, and hemorrhoidectomy. He completed advanced training in minimally invasive surgery in Hamburg and Strasbourg. Dr. Kaya is dedicated to using the latest techniques to provide the best care for his patients.

He is a member of several respected surgical societies. These include the Turkish Surgical Association, the Society for Colorectal Tumor Surgery, and the European Society of Oncological Surgeons. Dr. Kaya has performed hundreds of complex surgeries. His work has helped improve patient outcomes and raise surgical standards in his field.

Dr Mehmet Yildirim , 
Cerrahpasa Faculty of Medicine 2008- 2014
Medical Education completed

Istanbul University
Istanbul Faculty of Medicine  2016-2022
Aesthetic Plastic and Reconstructive Surgery specialization completed.

EXPERINCES:
2022 - 2024 
ARTVIN STATE HOSPITAL PLASTIC DEPARTMENT
Reconstructive and Aesthetic Surgery specialist

2024
Estherian Plastic Surgery Department 


CERTIFICATION :
January 2017
28. Basic Microsurgery course

2020
Bazmialem Vakif University
22. Experimental Animal certificate course

2021
EPCD Breast Surgery school

2022
Teorhinoplasty Live Surgery course

19-24 December 2022 
EPCD Fellowship Program completed

2024
Face and Neck Surgery specialist - Istanbul

Dr. Tayfun Kutlu is a ctive endocrinologist with over 24 years of experience. He specializes in , microwave endometrial ablation, and advanced in treatments. He holds certifications in Assisted Rion Treatment Methods and Laparoscopic Surgery. These reflect his commitment to modern ctive medicine.

Dr. Kutlu has made important contributions to the field through research and peer-reviewed publications. He is known for high patient success rates and a strong focus on clinical excellence. Patients trust him for his expertise in ctive health and in care.

Prof. Şeref Kömürcü is an ECFMG and ESMO-certified medical and breast oncologist with over 20 years of experience. He specializes in solid cancer, breast cancer, colorectal and lung cancer treatment and has held teaching and scientific positions throughout his career. He is a member of several professional organizations.

Dr. Nabi Gokhan Ferahcan is a specialist in family and preventive medicine. He has over 20 years of clinical experience. Since 2000, he has served as Chief Physician of the Check-up Department. He focuses on personalized health screenings and preventive care based on scientific evidence. Dr. Ferahcan manages a wide range of conditions, including liver steatosis, hypertension, high cholesterol, and anemia. He uses advanced therapies such as vitamin replacement and adult vaccination.

He completed his Family Medicine Residency at Haydarpasa Numune Hospital. He earned his medical degree from Marmara University. Dr. Ferahcan is accredited by the Istanbul Medical Chamber. He is also known for his work in medical literature and public health education.

Dr. Vafi Atalay is an experienced oncological and general surgeon with 17 years in the field. He specializes in pancreatic, colon, rectal, and liver surgeries. He also performs advanced endoscopic procedures. Dr. Atalay has published 31 articles in national and international journals, making valuable contributions to medical literature.

He received the first prize at the 20th Congress Research Paper Competition. He also won the Best Research Award at the 5th Surgeon Research Congress. Dr. Atalay is a member of TSS, the Palestinian Medical Association, and IOA. His active involvement in these organizations shows his dedication to professional growth and surgical excellence.

2018 - Present, Istanbul/Istanbul/Türkiye

MEMORIAL BAHCELIEVLER HOSPITAL

Dentist / Prosthodontist

2017 - 2018, Istanbul/Istanbul/Türkiye

PRIVATE DENTEKA ORAL AND DENTAL HEALTH CLINIC

Dentist / Prosthodontist

2006 - 2017, Istanbul/Istanbul/Türkiye

PRIVATE IVORY ORAL AND DENTAL HEALTH CLINIC

Dentist / Prosthodontist

2006 - 2014, Istanbul/Istanbul/Türkiye

ISTANBUL UNIVERSITY FACULTY OF DENTISTRY DEPARTMENT OF PROSTHETIC DENTISTRY

Dentist

Op.Dr. Ali DOGAN

Expert Plastic, Reconstructive, and Aesthetic Surgeon

Professional Summary

Op.Dr. Ali DOGAN is an accomplished plastic surgeon with extensive experience in performing a broad spectrum of plastic, reconstructive, and aesthetic procedures. He is celebrated for his technical expertise, innovative approach, and dedication to delivering personalized care to each patient. With a focus on achieving natural and harmonious results, Op.Dr. DOGAN combines surgical precision with an artistic vision to enhance both form and function.

Core Competencies

• Aesthetic Surgery: Specialized in facial rejuvenation, breast augmentation, reduction and lifting, and all type of body contouring.

• Reconstructive Surgery: Proficient in post-trauma reconstructions, skin grafting, and microsurgical techniques.

• Non-Surgical Procedures: Skilled in minimally invasive treatments, including , dermal fillers, and laser therapies.

• Burn Surgery: Expertise in acute burn care and reconstructive solutions for burn scars.

• Hand Surgery: Proficient in treating congenital and traumatic hand deformities.

• Pediatric Plastic Surgery: Specialized in correcting congenital anomalies such as cleft lip and palate.

• Cutting-Edge Techniques: Incorporates advanced technologies and innovative methods for optimal results.

2011 - Present, Istanbul/Istanbul/Türkiye

MEMORIAL SISLI HOSPITAL

Hand Surgery and Microsurgery Specialist

1995 - 2013, Istanbul/Istanbul/Türkiye

MANUS HAND SURGERY AND MICROSURGERY

Hand Surgery and Microsurgery Specialist

1992 - 1994, Istanbul/Istanbul/Türkiye

VKV AMERICAN HOSPITAL

Hand Surgery and Microsurgery Fellow

Education

• Ege Faculty of Medicine 1978
• Specialization in Pediatrics 1982
• Subspecialty Pediatric Oncology 2002 (EU Faculty of Medicine)
• Pediatric Hematology and Oncology 2012 (EU Faculty of Medicine)
• Deputy Chief of Clinic 1988 Tepecik EAH
• Clinical Chief 1993 Tepecik EAH
• Associate Professorship 1995
• Professorship  2002
• Ege U. Faculty of Medicine, faculty member 1998 – 2022
• EU Faculty of Medicine Department of Pediatrics 2009-2018
• Member of Tepecik Education Planning and Coordination Board (1993-1998)
• SSI Tepecik Hospital Ethics Committee Chairman (1996-1998)
• Turkish Society of Pediatric Hematology " Working Group Co-Chair" (2002-2006)
• Turkish Society of Pediatric Hematology " Working Group" (2006-2008)
• Turkish Society of Pediatric Hematology - Responsible for "Online" Data Registry Sy 2007-ongoing.
• Ege University Regenerative Medicine and Cell Commission Chairman, 2011-2021

Institutional Memberships

• Turkish Medical Association İzmir and Kocaeli Branch
• Turkish National Pediatric Association - İzmir
• European Group for (E); Ege University Pediatric Unit was accredited by the European Group for (E) in June 2007.
• Turkish Society of Pediatric Hematology - Board Member for two terms (2005-2009)
• Turkish Society of Hematology - Board Member for two terms (2001/2005)
• Turkish Pediatric Oncology Association
• Foundation (KITVAK) Member of the Board of Trustees

Units he is the founder of                        

1- SSI Tepecik Hospital Pediatric Oncology Clinic (1990) 
2- SSI Tepecik Hospital Pediatric Unit (1992) 
3- EU Faculty of Medicine Pediatric Unit (1998) 
4- FOUNDER of JOURNAL OF PEDIATRIC RESEARCH, 2014; SCI application was made in 2022.  

Transplantation units that he contributed to the establishment of                        

1. İzmir BUÇH EAH Pediatric Unit (2019) 
2. Ümraniye EAH Pediatric Unit (2020) 
3. Kanuni Sultan Süleyman EAH Pediatric Unit (2020) (Transferred to Çam Sakura EAH)

Awards

• Thrombotic parameters in transplant patients, Pediatric Hematology Congress, Trabzon 2003
• CD133 Antigen in Cell: Pediatric Hematology Congress 2005. Research award
• The role of Toll like receptors in febrile neutropenic patients, Best poster award. Turkish Hematology Congress 2008, Çeşme-İzmir
• National pediatric transplantation activity- Oral presentation second prize, Turkish Hematology Society Cell Transplantation Congress, 2022, Antalya

Publications

Kansoy S. " and Cell Transplantation Child Health and Diseases, 1st edition, EU Faculty of Medicine Printing House, 1999, İzmir

Kansoy S. in Thalassemia Major III. Aegean Thalassemia Days Book, 2000, Izmir

Kansoy S. Pediatric KIT Center Standards in Turkey. Childhood Acute Leukemias, Antalya 2000: 73-5

Kansoy S. Late Side Effects in Children. Special issue of Journal of Turkish Clinics. 2003

Kansoy S. Cell Applications in and Cell Transplantation. Pediatric Oncology Nursing Course Book, İzmir, 2005

Kansoy S. Cord Blood as a Cell Source. Cell Special Issue. Turkey Clinics, 2008

Kansoy S. Cell Transplantation in Lymphomas. General Pediatrics Book, Ed. Prof.Dr.Enver Hasanoglu, 2009

Kansoy S, Aksoylar S. in Children. Pediatrics, 2014 and 2017

Kansoy S. Rhabdomyosarcoma. Pediatrics, 2014 and 2017

Kansoy S. Approach to the child with cancer according to clinical findings. Pediatrics, 2014 and 2017 

11. Çetingül N, S.Kansoy, M.Kantar. Oncological Diseases. Pediatrics (Ed. A. Cura), 641-672, Ege University Print house, İzmir, 1999.  (1.05 points)

Kansoy S, M.Kantar. Head, Face and Eye Examination. Pediatric Prosthetic Physical Examination and Symptom Information (Ed. A.Cura)

Kantar M. Metabolic Emergency Problems in Oncology. Oncologic Emergencies and Supportive Care in Childhood (Ed. N. Çetingül, S. Kansoy), 15-24, Meta Basım, İzmir, 2003. 

Cord Blood Transplants in Turkey. HEMATOLOGIST, 2016

Kansoy S. Central Nervous Sy Tumors in Children Pediatrics, 2014 and 2017

Acute myeloblastic leukemia in children and its treatment. Pediatric Oncology Textbook, Poplack's Turkish, 2020

National pediatric transplant activity, 2020

Childhood transplantation indications, Turkey Clinics - International book 2020

In addition to the studies and papers in international journals published in large numbers, he is involved in international multicenter studies in some journals with high impact value.

2020 - Present, Istanbul/Türkiye

MEMORIAL SISLI HOSPITAL

Neurology Specialist

2018 - 2020, Istanbul/Türkiye

DEMIROĞLU SCIENCE UNIVERSITY

Head of Neurology Department

2017 - 2017, Istanbul/Türkiye

DEMIROĞLU SCIENCE UNIVERSITY

Member of the Faculty

2015 - 2017, Istanbul/Türkiye

SISLI HAMIDIYE ETFAL TRAINING AND RESEARCH HOSPITAL

Education and Administrative Officer

2014 - 2015, Istanbul/Türkiye

ISTANBUL SCIENCE UNIVERSITY

Member of the Faculty

1996 - 2014, Istanbul/Türkiye

SISLI HAMIDIYE ETFAL TRAINING AND RESEARCH HOSPITAL

Neurology Specialist

1995 - 1996, Istanbul/Türkiye

SARIYER STATE HOSPITAL AYAZAĞA DISTRICT POLYCLINIC

Neurology Specialist

1989 - 1990, Istanbul/Türkiye

LULEBURGAZ STATE HOSPITAL

General Practitioner

Dr. Kemal Raşa is an experienced general surgeon with over 20 years of practice, specializing in breast cancer, pancreatic and thyroid cancer surgery, and glucose metabolism and infection treatment. He is the President of the Surgical Infection Society - Europe and a lecturer in several departments. He is also a member of The Surgical Infection Society Europe (SIS-E), The World Society of Emergency Surgery (WSES), The World Surgical Infection Society, The Turkish Medical Association and The Turkish Surgical Association.