1. Faculty of Medicine, Department of Pediatric Rheumatology, Istanbul University, Fatih, Turkey
2. Department of Pediatric Rheumatology, University of Health Sciences, Ümraniye Research and Training Hospital, Ümraniye, Turkey
3. Department of Pediatric Rheumatology, University of Health Sciences, Dr. Sami Ulus Maternity and Child Health and Diseases Research and Training Hospital, Altındağ, Turkey
4. Department of Pediatric Rheumatology, Şanlıurfa Research and Training Hospital, Haliliye, Turkey
5. Department of Pediatric Rheumatology, Istanbul Medeniyet University, Göztepe Prof. Dr. Süleyman Yalçın City Hospital, Kadıköy, Turkey
6. Faculty of Medicine, Department of Pediatric Rheumatology, Kocaeli University, İzmit, Turkey