Nurhan Bilen
Atatürk University Faculty of Medicine, Department of Internal Medicine, Erzurum, Turkey
Ayşe Çarlıoğlu
Erzurum Research and Training Hospital, Clinic of Endocrinology, Erzurum, Turkey
Yusuf Bilen
Atatürk University Faculty of Medicine, Department of Hematology, Erzurum, Turkey