Mustafa Çalışkan, Department of Endocrinology and Metabolism, Duzce State Hospital, Sakarya. Turkey
Taner Demirci, Endocrinology and Metabolism Clinic, Sakarya University Medical Faculty, Sakarya. Turkey
Hasret Cengiz, Endocrinology and Metabolism Clinic, Sakarya University Medical Faculty, Sakarya. Turkey