Department of Internal Medicine, Section of Medical Oncology, İstanbul Bilim University, Faculty of Medicine, İstanbul
2.Department of Internal Medicine, Section of Endocrinology and Metabolism, Ankara Numune Education and Research Hospital, Ankara
3.Departments of Cardiology, Şişli Etfal Research and Training Hospital, İstanbul
4.Departments of Internal Medicine, Şişli Etfal Research and Training Hospital, İstanbul
5.İstanbul Tıp Fakültesi Gastroenterohepatoloji Bilim Dalı İstanbul