Kubra Ozturk1, Zelal Ekinci2. 1. Department of Pediatric Rheumatology, Kocaeli University School of Medicine, Kocaeli University Hospital, Umuttepe, 41380, Kocaeli, Turkey. ozturk1209@gmail.com. 2. Department of Pediatric Rheumatology, Kocaeli University School of Medicine, Kocaeli University Hospital, Umuttepe, 41380, Kocaeli, Turkey.