Univ.-Prof. Dr. Dagmar Bancher is a senior gynecologist and obstetrician in Vienna. She has over 25 years of experience. She completed her medical studies at the University of Vienna in 1991. She qualified as a specialist in gynecology and obstetrics in 1998.
Her expertise includes high-risk pregnancy care, pediatric and adolescent gynecology, and cervical dysplasia diagnosis. She also performs gynecologic surgery, including hysteroscopy, laparoscopy, and myomectomy.
She holds a postgraduate degree in medical leadership. She consults in German, English, French, and Italian.
Experience
PRIVATE NISA HOSPITAL
Education
ISTANBUL MEDIPOL UNIVERSITY, DEPARTMENT OF Gynecology and Obstetrics
ISTANBUL MEDIPOL UNIVERSITY, Gynecological Diseases and Obstetrics
İSTANBUL SÜLEYMANİYE GYNEMS AND CHILDREN'S DISEASES HEALTH, WOMEN'S DISEASES
ISTANBUL UNIVERSITY ISTANBUL FACULTY OF MEDICINE, FACULTY OF MEDICINE
ISTANBUL UNIVERSITY ISTANBUL FACULTY OF MEDICINE, FACULTY OF MEDICINE
Title: Evaluation of the use of alternative and complementary therapies and conception status of women receiving infertility treatment.
Title: Is there any relationship between glycodelin levels and perinatal outcomes?
Title: Is there a relationship between early pregnancy loss and maternal serum human X-box binding protein 1 level?
Title: Evaluation of Obstetric Patient Transfers by Helicopter in Turkey.
Title: Single incision-two port laparoscopic tubal ligation versus conventional three port laparoscopic tubal ligation: A prospective comparative study.
Title: Nerve sparing feminizing genitoplasty with corporal septum excision in non-classic congenital adrenal hyperplasia.
Title: Analyzing the Relationship Between Genital Hygiene Behaviors in Women and Urinary Tract Infection in Any Period of Life.
Title: Effects of umbilical cord clamping time after birth on the risk of postpartum depression.
Title: Comparison of the effects of acarbose and metformin use on ovulation rates in clomiphene citrate-resistant polycystic ovary syndrome.
Title: Effects of Cervical Dilatation during Cesarean Section on Postpartum Process.
Title: Tibolonun transdermal östradiol tedavisiyle yükselmiş serum lipoprotein (a) düzeylerine etkisi.
Title: Operatif histeroskopi uygularda olgularda gelişen komplikasyonların sıklığı ve tipleri.
Title: Operatif Histeroskopiden Sonra Yapılan İkinci Bakış Histeroskopisi Sonuçları.
Title: “Beyaz noktalanma”; yeni bir vulvoskopik human papillomavirus (hpv) bulgusu.
Title: Benign nedenlerle yapılan histerektomi öncesi probe küretaj, kolposkopi, histeroskopi ve endoservikal küretajın tanısal değeri.
Title: İntrakaviter lezyonların tanısında transvaginal ultrasonografi ve histereskopinin güvenilirliğinin karşılaştırılması.
Üreme Yardımcı Tedavi Uygulamaları Eğitim Sertifikası (IVF-Tüp Bebek):
Neonatal Resüsitasyon Programı Uygulayıcı Sertifikası:
Acil Obstetrik Klinisyen Eğitimi:
Laporoskopi Uygulama Yeterlilik Kursu:
Histeroskopi Yeterlilik Sertifikası:
Ürojinekoloji Kursu 2004 Süleymaniye Kadın Hastalıkları ve Doğum Evi
Ürojinekoloji Kursu Kadavra Eğitimi
Kolposkopi Yeterlilik Kursu:
Jinekolik Estetik Kursu (2020)
WNotes Kursu
Kozmetik Jinekoloji Kadavra Kursu (2021)
Sistoskopi Kadavra Kursu (2021)
Canlı Cerrahi Jinekolojik Estetik Kursu (2020, 2021)
Canlı Cerrahi Kozmetik Jinekoloji Kursu (2021)
IVF/ET Hastalarında Düşük Materyalinde Sitogenetik Analiz Yapmanın Bilimsel Temeli:
Serum X-box-binding Protein 1 levels in PCOS patients:
Experience
2019 - 2022 Medipol University
2010 Private Nisa Hospital
2008 - 2010 Kaman State Hospital
Education
2008
Istanbul University Cerrahpaşa Faculty of Medicine, Obstetrics and Gynecology
2002
Istanbul University, Istanbul Faculty of Medicine
Experience
2018
Private Istanbul Medipol Hospital
2018
Medipol University Camlica Hospital
2018
Medipol Camlica Hospital
2013 - 2018
Medipol Mega University Hospital
2011 - 2013
Yuzuncu Yil University Hospital
2010 - 2011
Gulhane Military Medical Academy
2010 - 2013
Yuzuncu Yil University Hospital
2010 - 2011
Gulhane Military Medical Academy
2010 - 2011
Gulhane Military Medical Academy
2010 - 2013
Yuzuncu Yil University Faculty of Medicine
2009
University of Toronto SickKids Hospital
2004 - 2008
Private Van-Etfal Pediatric Diseases
1999 - 2004
Yuzuncu Yil University Hospital
Education
2010
Yuzuncu Yil University, Pediatric Nephrology
2004
Yuzuncu Yil University, Pediatrics
1998
Ege University, Faculty of Medicine
Dr. Zuhal Cakmak Peksen is a Family Medicine Specialist since 2017. She earned her MD from Çukurova University in 2010. She completed specialty training at Yüzüncü Yıl University between 2013 and 2017. She is currently studying for a bachelor’s degree in Health Management at Anadolu University (2024–present).
She has 15 years of clinical practice (2010–2025) across 8 institutions. Her experience includes research in Family Medicine (2013–2017) and work at several Family Health Centers. Since 2020, she has served at TOKİ Avrupa Family Health Center in Gaziosmanpaşa, Istanbul.
Academic Details
Faculty / University
19 Mayis University, Faculty of Medicine, Samsun – Turkey
Date of Graduation
1992
Postgraduate Training
Institution: Department of Radiology, Faculty of Medicine, Erciyes University, Kayseri – Turkey
Supervisor in Charge of Training: Mustafa Ozturk
Training Period: From 1993 to 1998
Title of Thesis: Evaluation of Lower Extremity Artery-Occlusive Disease by MR Angiography
Accreditation
Radiology Specialist: 1998, The Ministry of Health of Turkey
Associate Professor: 2003, Interuniversity Committee
Academic Experience
Residency: Department of Radiology, Erciyes University, Kayseri – Turkey (1993 to 1998)
Private Practice: Maternal and Children Hospital, Sivas – Turkey (1998–2000)
Academic Positions:
2000 to 2003: Assistant Professor of Radiology, Firat University, Elazig – Turkey
2003 to 2009: Associate Professor of Radiology, Firat University, Elazig – Turkey
2009 to 2010: Professor of Radiology, Firat University, Elazig – Turkey
2010 to 2015: Professor of Radiology, Chairman, Bezmialem Vakif University, Istanbul – Turkey
2015 to 2016: Professor of Radiology, Chairman, Yeditepe University, Istanbul – Turkey
2017 to Present: Professor of Radiology, Interventional Radiology Unit, Bahçelievler Medical Park Hospital, Altınbaş University, Istanbul – Turkey
Fellowship
Institution: Department of Radiology, University Hospital of Cleveland, Case Western Reserve University, Cleveland, Ohio, USA
Duration: 2004 to 2005
Position: Research Fellow – Ultrasound & CT (Body)
Professional Memberships
-Turkish Society of Radiology
-Medical Ultrasound Society of Turkey
-Turkish Society of Radiology, Abdominal Radiology Study Group
-ESGAR – European Society of Gastrointestinal and Abdominal Radiology (Fellow)
-ESUR – European Society of Urogenital Radiology (Fellow)
-ESR – European Society of Radiology
-Turkish Society of Magnetic Resonance
-Turkish Society of Radiology, Urogenital Radiology Study Group
-Turkish Society of Interventional Radiology
-Korean Society of Radiology (International Member)
-Radiological Society of North America (RSNA) – Corresponding Member
Prizes and Awards
European Congress of Radiology (ECR) 2002, Vienna – Image Interpretation, 3rd Prize
Interpretation Corner of European Radiology 2003 – 2nd Prize
Cases of the Day – ESGAR 2007, Lisbon, Portugal – 2nd Prize
Cases of the Day – ESGAR 2009, Valencia, Spain – 1st Prize
Posts and Affiliations
Clinical Director – Multidisciplinary Breast Unit Kliniken Essen-Mitte, Germany
Lead Breast Cancer Research Program, Kliniken Essen-Mitte
Executive Board Member of the AGO (Arbeitsgemeinschaft Gynäkologische Onkologie)
Additional Roles
ESMO Faculty – Breast Cancer
Member of AWO Gyn – Commission for plastic and reconstructive surgery
Speaker of the AGIMed – Commission for Integrative Medicine of the AGO
Member of the Organ Commission Mamma of the AGO
Scientific Director of the WSG study group
Global PI, Head of clinical investigations and trials 27
IDMC´s, Steering Boards national and international
Scientific committee of international and national symposia in breast cancer and surgical oncology
Organization Memberships
Memberships: European Society of Medical Oncology, American Society of Clinical Oncology,
European Academy of Senology, German Cancer Society, German Society of Gynecology and
Obstetrics, Working Group for Gynecological Oncology, German Society of Senology,
Publications
Peer reviewed Publications: 322
First/Senior Author: 38
h-Index/i10-Index 66/232
Congress Abstracts/Proceedings: 443
Books/Book Chapter: 59
Invited oral Presentations/Lectures: 1032
Musculoskeletal radiologist, expert in sports injuries and magnetic resonance imaging with over 20 years of experience working with professional and elite athletes.
The doctor specializes in:
The doctor has exceptional experience working at leading global institutions such as Harvard Medical School and MIT, which allows him to combine clinical practice, scientific research and the application of innovative methods in medical imaging.
Experience
2017 - 2020 Acıpayam State Hospital
2016 - 2017 Izmir Public Health Laboratory
2013 - 2016 Bozyaka Training and Research Hospital
2011 - 2013 Pendik State Hospital
2011 - 2011 Midyat State Hospital
2004 - 2010 Dokuz Eylul University Faculty of Medicine
Acipayam State Hospital
Izmir Public Health Laboratory
Bozyaka Training and Research Hospital
Pendik State Hospital
Midyat State Hospital
Dokuz Eylul University Faculty of Medicine
Education
2010 Dokuz Eylul University Faculty of Medicine, Infectious Diseases and Clinical Microbiology
2010 Dokuz Eylul University Faculty of Medicine, Infectious Diseases and Clinical Microbiology
2004 Ege University, Faculty of Medicine
2004 Ege University, Faculty of Medicine
Publications
ARTICLES PUBLISHED IN INTERNATIONAL REFEREED JOURNALS
Bulent Ertugrul, Çağrı Buke, Özlem Saylak Ersoy, Bengisu Ay, Dilek Senen Demirez, Öner Savk. Intralesional epidermal growth factor for diabetic foot wounds: the first cases in Turkey. Diabetic foot and ankle.6: August 2015
Vedat Turhan, Günalp Uzun, Mustafa Hatipoglu, Mesut Mutluoglu, Erol Sevim, Hayati Demiraslan, Esma Eryılmaz, Cem Ozuguz, Ali Memis, Turk-Day Working Group (Hakan Ay, Bilgin Arda, Serhat Uysal, Vicdan Koksaldi Motor, Cigdem Kader, Ayse Erturk, Omer Coskun, Fazilet Duygu, Selma Guler F. Aybala Altay, Aziz Ogutlu, Sibel Bolukcu, Ozlem Kandemir, Halide Aslaner, Arife Polat, Mustafa Karahocagil, Kadriye Kart Yasar, Emine Sehmen, Sirri Kilic, Mustafa Sunbul, Serap Gencer, Fatma Bozkurt, Tugba Yanik, Nefise Oztoprak Cuvalci, Ayse Batirel, Hamdi Sozen, Inci Kilic, Ilhami Celik, Bengisu Ay, Selma Tosun, Ayten Kadanali, Senol Comoglu, Affan Denk, Salih Hoşoğlu, Özlem Aydın, Nazif Elaldı, Şerife Akalın, Bahar Kandemir, Ayhan Akbulut, Tuna Demirdal, Recep Balık, Emel Azak, Gönül Şengöz); Causative pathogens and antibiotic resistance in diabetic foot infections: A prospective multi-center study. Journal of Diabetes and its Complications, Volume 30, Issue 5, July 2016,910-916
Alpay Arı, Ali Ilgın Olut, Bengisu Ay, Selma Tosun, Meltem Zencir, Mehmet Umut Çayıröz. A small outbreak of Serratia liquefaciens bacteremia due to use of contaminated saline infusion solution for myocardial perfusion scintigraphy. Journal of Infectious Diseases, Volume 49, 2017, 639-40
B- PAPERS PRESENTED IN INTERNATIONAL SCIENTIFIC CONFERENCES AND PUBLISHED IN PROCEEDINGS
Vedat Turhan, Günalp Uzun, Mustafa Hatipoglu, Mesut Mutluoglu, Erol Sevim, Hayati Demiraslan, Esma Eryılmaz, Cem Ozuguz, Ali Memis, Turk-Day Working Group (Hakan Ay, Bilgin Arda, Serhat Uysal, Vicdan Koksaldi Motor, Cigdem Kader, Ayse Erturk, Omer Coskun, Fazilet Duygu, Selma Guler F. Aybala Altay, Aziz Ogutlu, Sibel Bolukcu, Ozlem Kandemir, Halide Aslaner, Arife Polat, Mustafa Karahocagil, Kadriye Kart Yasar, Emine Sehmen, Sirri Kilic, Mustafa Sunbul, Serap Gencer, Fatma Bozkurt, Tugba Yanik, Nefise Oztoprak Cuvalci, Ayse Batirel, Hamdi Sozen, Inci Kilic, Ilhami Celik, Bengisu Ay, Selma Tosun, Ayten Kadanali, Senol Comoglu, Affan Denk, Salih Hoşoğlu, Özlem Aydın, Nazif Elaldı, Şerife Akalın, Bahar Kandemir, Ayhan Akbulut, Tuna Demirdal, Recep Balık, Emel Azak, Gönül Şengöz); Current Bacterial Etiology And Antimicrobial Resistance In Dfıs; A Multicenter Prospective Trial Of “Turk-Day”. Congress of Balkan Millitary Medical Committee, 8-11 June 2015, Greece
C- ARTICLES PUBLISHED IN NATIONAL REFEREED JOURNALS
VildanAvkan Oğuz, Bengisu Ay, Vasfi Karatosun, Zeynep Gülay; A Case of Total Knee Arthroplasty in which Aeromonas Hydrophila Was Isolated in Perioperative Culture: Trakya Univ Medical Faculty Journal, 2009
Şebnem Çalık, Bengisu Kara Ay, Arif Yüksel, Kamuran Çapcıoğlu, Meltem Zencir, Ümran Bingöl, Neslihan Genç, Meltem Avcı, Selma Tosun. Evaluation of the knowledge level and vaccination status of individuals in the risk group recommended for influenza vaccination. Medical Journal of İzmir Hospital 2013; 17 (4): 241-245
B Ay, S Calik, B Karaca, S Tosun. Atypical Mediterranean spotted fever: First case from Aegean Region. Izmir Tepecik Education and Research Hospital Journal. 2016; 26(2):175-177
B Ay, E Ozdemir, N Unel, S Calik, B Karaca. Telbivudine-Related Myopathy: A Case Report. Viral Hepat J 2016; 22: 37-38
D- PAPERS PRESENTED IN NATIONAL SCIENTIFIC MEETINGS AND PUBLISHED IN PROCEEDINGS
Şebnem Çalık, Bengisu Kara Ay, Arif Yüksel, Kamuran Çapcıoğlu, Meltem Zencir, Ümran Bingöl, Neslihan Genç, Meltem Avcı, Selma Tosun. Evaluation of the knowledge level and vaccination status of individuals in the risk group who are recommended to receive influenza vaccination. 5th National Vaccine Symposium, 25-29 September 2013, Ankara
''Evaluation of 4 Patients Receiving Telaprevir for Chronic Hepatitis C'' “Speech 7" Istanbul – Marriott Asia Hotel; 'Our Turkey Teleprevir Experience Symposium, 21 September 2013'
Bengisu Ay, Alpay Arı, Nalan Ünel, Erman Özdemir, Selma Tosun; Our experience with telaprevir in two centers: 12th National Viral Hepatitis Congress, 26-29 March 2014, Belek/Antalya
Bengisu Ay, Erman Özdemir, Nalan Ünel; Myopathy side effect of telbivudine treatment due to a case: 12th National Viral Hepatitis Congress, 26-29 March 2014, Belek/Antalya
Gülsüm Altın, Aslı Keleş, Bengisu Ay, Ebru Dik, Meltem Zencir, Halil Erkan, Selma Tosun. Evaluation of the differences and knowledge levels of individuals in the society about the transmission routes of Hepatitis B virus. BUHASDER 6. Tepecik Infection Days Symposium. 04-08 November 2015 Muğla.
Vedat Turhan, Günalp Uzun, Mustafa Hatipoglu, Mesut Mutluoglu, Erol Sevim, Hayati Demiraslan, Esma Eryılmaz, Cem Ozuguz, Ali Memis, Turk-Day Working Group (Hakan Ay, Bilgin Arda, Serhat Uysal, Vicdan Koksaldi Motor, Cigdem Kader, Ayse Erturk, Omer Coskun, Fazilet Duygu, Selma Guler F. Aybala Altay, Aziz Ogutlu, Sibel Bolukcu, Ozlem Kandemir, Halide Aslaner, Arife Polat, Mustafa Karahocagil, Kadriye Kart Yasar, Emine Sehmen, Sirri Kilic, Mustafa Sunbul, Serap Gencer, Fatma Bozkurt, Tugba Yanik, Nefise Oztoprak Cuvalci, Ayse Batirel, Hamdi Sozen, Inci Kilic, Ilhami Celik, Bengisu Ay, Selma Tosun, Ayten Kadanali, Senol Comoglu, Affan Denk, Salih Hoşoğlu, Özlem Aydın, Nazif Elaldı, Şerife Akalın, Bahar Kandemir, Ayhan Akbulut, Tuna Demirdal, Recep Balık, Emel Azak, Gönül Şengöz); Current Causative Microorganisms and Antimicrobial Susceptibilities in Diabetic Foot Infection; A Multicenter Study “TURK-DAY”. 5th EKMUD Scientific Platform, 01-04 April 2015, İzmir.
Education and Expertise
EGE UNIVERSITY FACULTY OF MEDICINE
Treatment Methods
Aortic Surgery
Heart Valve Surgery
Coronary Surgery
Venous Surgery
Experience
Dokuz Eylul University Faculty of Medicine
Professional Memberships
Turkish Society of Cardiovascular Surgery
National Society for Vascular Surgery
Articles
Relationship Between Extracorporeal Perfusion Pattern and Ischemic Brain Lesions
Inhibitory effect of adenosine on intimal hyperplasia and proliferation of smooth muscle cells in a carotid arterial anastomosis animal model.
A mandatory modification in extracorporeal biventricular assist device implantation: intercostal tunnel application
General Internal Medicine
Graduated (M.D. From)
Doctor of Medicine, Faculty of Medicine, Srinakharinwirot University
Working in general internal medicine treat patients with a wide range of acute and long-term medical conditions.
Certificates
Certificate of Internal Medicine, Faculty of Medicine, Bhumibol Adulyadej Hospital, Directorate of Medical Services, Royal Thai Air Force
Current Positions
General Internal Medicine doctor at Intrarat Hospital
Parkinson's Disease Diagnosis and Treatments
Alzheimer's Diagnosis and Treatments
Epilepsy (Epileptic)
EEG and Treatment
Muscle and Nerve Disease Diagnosis and Treatments
Vertigo Diagnosis and Treatment
Restless Leg Syndrome
Stroke (Cerebral Palsy) Diagnosis and Treatment
Bartın State Hospital (2007-2009)
VM Medical Park Samsun Hospital (2009-2017)
VM Medical Park Samsun Hospital - Deputy Chief Physician (2019-2021)
Samsun Education and Research Hospital (2021-2022)
Çarşamba State Hospital
Private Atasam Samsun Hospital (2022-2024)
Karadeniz Technical University (1989-1995)
Ondokuz Mayis University Faculty of Medicine (2001-2006)
EDUCATION:
2014 ADNAN MENDERES UNIVERSITY FACULTY OF MEDICINE, CHILD HEALTH AND DISEASES, CHILD NEUROLOGY
2011 IZMIR EDUCATION AND RESEARCH HOSPITAL, CHILD HEALTH AND DISEASES
2011 Izmir Tepecik Education and Research Hospital, Child Health and Diseases
2004 DICLE UNIVERSITY, FACULTY OF MEDICINE
EXPERIENCE:
2018 Istanbul Medipol Hospital
2017 - 2018 Kartal Education and Research Hospital
2014 - 2016 Denizli State Hospital
2011 - 2014 Aydin Adnan Menderes University Faculty of Medicine Hospital
2006 - 2011 Izmir Tepecik Education and Research Hospital
2011Izmir Education and Research Hospital
Medical Specialization YÜZÜNCÜ YIL UNIVERSITY
FACULTY OF MEDICINE/DEPARTMENT OF INTERNAL MEDICINE/DEPARTMENT OF PEDIATRICS
2/Feb/2009
Name of Thesis: Screening for hematuria and proteinuria in school age children (2008) Supervisor:(ŞÜKRÜ ARSLAN)
Undergraduate Education SELÇUK UNIVERSITY
1997 MERAM FACULTY OF MEDICINE /MERAM MEDICAL PRACTICE.
30/June/ 2003
PROFESSOR ISTANBUL MEDIPOL UNIVERSITY / FACULTY OF MEDICINE / DEPARTMENT OF INTERNAL MEDICAL SCIENCES
2019
/ DEPARTMENT OF PEDIATRIC HEALTH AND DISEASES)
ASSOCIATE PROFESSOR MEDIPOL UNIVERSITY / FACULTY OF MEDICINE / DEPARTMENT OF INTERNAL MEDICAL SCIENCES
2014/-2019
/ DEPARTMENT OF PEDIATRIC HEALTH AND DISEASES)
ASSOCIATE PROFESSOR DÜZCE UNIVERSITY/FACULTY OF MEDICINE
2014/-2014
FACULTY MEMBER DUZCE UNIVERSITY/FACULTY OF MEDICINE/DEPARTMENT OF INTERNAL
2010/-2013
Supervised Theses
Medical Specialization
2022
MEDICAL SCIENCES/DEPARTMENT OF PEDIATRIC HEALTH AND DISEASES)
Cemalettin Güne , (2013). Investigation of Bone Metabolism Changes in Children with Type 1 Diabetes Mellitus,
DEPARTMENT OF CHILD HEALTH AND DISEASES/
Chief Physician ISTANBUL MEDIPOL UNIVERSITY/HEALTHCARE PRACTICE AND RESEARCH CENTER
2021
Birlikteli i: A case study Konuralp Tip Dergisi, 5(3), 58-61.
2009-2010 Specialist Doctor VAN GYNAECOLOGY AND PEDIATRIC HOSPITAL (State)
Professional experience
2007. Director of the Assisted Reproduction Unit of the Quironsalud University Hospital of Madrid since its opening.
2004-06 Private consultation on assisted reproduction in Madrid.
1994-96. Deputy Physician. Department of Gynecology and Obstetrics. Hospital 12 de Octubre, Madrid.
Membership in scientific societies
-He is a member of the Spanish Society of Gynecology and Obstetrics (SEGO).
-Spanish Society of Fertility (SEF);
-European Society of Human Reproduction (ESHRE)
-American Society for Reproductive Medicine (ASRM).
Research and Teaching
In recent years, he has conducted over 30 conferences, 20 presentations and 15 talks at courses and conferences in his specialty. He has written 5 book chapters and coordinated 4 monographs.
2010 Associate Professor. European University of Madrid.
2004-07 Professor of Master in Human Reproduction. Spanish Fertility Society and Complutense University.
1990-98 Professor, PhD student. Training Center for Medical Specialists (CTO)
Viral hepatitis A, B, C, D
Cirrhosis
Autoimmune liver diseases
Fatty liver
Diseases of the stomach and intestines
Diseases of the pancreas
Services in the field of biological medicine:
Treatment of various drug-induced liver poisonings, viral hepatitis (hepatitis B, hepatitis C), hepatosis, hepatosterosis, autoimmune hepatitis.
EDUCATION: Azerbaijan Medical University
EXPERIENCE:
2009-2010 General practitioner in a private clinic.
Clinic of biological medicine since 2011.
TRAINING AND MEMBERSHIP:
In 2013-2014, internship on viral hepatitis at the Department of Microbiology and Infection, as well as at the Department of Gastroenterology, Faculty of Medicine, Ege University, Turkey.
Ankara Hacettepe Hospital