Nuray Kanbur1,2. 1. Professor of Pediatrics, Adolescent Medicine Specialist, Division of Adolescent Medicine, Department of Pediatrics, Hacettepe University Faculty of Medicine, And İhsan Doğramacı Children's Hospital, Ankara-Turkey. 2. Director, PhD Program of Adolescent Health and Medicine, Child Health Institute of Hacettepe University, Ankara-Turkey.