Departments of Gastroenterology, Zonguldak Karaelmas University, School of Medicine, Zonguldak
2.Department of Dermatology, Zonguldak Karaelmas University Medical School, Zonguldak
3.Department of Family Medicine, Zonguldak Karaelmas University Medical School, Zonguldak
4.Department of Patology, Zonguldak Karaelmas University Medical School, Zonguldak
5.Hacettepe University Medical School Departments of Internal Medicine Ankara, Turkey