Department of Dermatology, Haydarpaşa Numune Education and Training Hospital, İstanbul, Turkey
2.Department of Gastroenterohepatology, Çamlıca Erdem Hospital, İstanbul, Turkey
3.Departments of Gastroenterohepatology, Haydarpaşa Numune Education and Research Hospital, İstanbul
4.Departments of Dermatology and Gastroenterohepatology, Haydarpaşa Numune Education and Research Hospital, İstanbul