1. University of Health Science, Ümraniye Research and Training Hospital, Department of Paediatric Rheumatology, Istanbul, Turkey. drbetulsozeri@gmail.com
2. Kocaeli University, Department of Paediatric Rheumatology, Kocaeli, Turkey.
3. Sadi Konuk Research and Training Hospital, Department of Paediatric Rheumatology, Istanbul, Turkey.
4. Sami Ulus Research and Training Hospital, Department of Paediatric Rheumatology, Ankara, Turkey.
5. Istanbul Medeniyet University, Göztepe Research and Training Hospital, Department of Paediatric Rheumatology, Istanbul, Turkey.
6. University of Health Science, Zeynep Kamil Maternity and Children’s Diseases Research and Training Hospital, Department of Paediatric Rheumatology, Istanbul, Turkey.
7. University of Health Science, Ümraniye Research and Training Hospital, Department of Paediatric Rheumatology, Istanbul, Turkey.
8. Şanlıurfa Research and Training Hospital, Department of Paediatric Rheumatology, Şanlıurfa, Turkey.
9. Istanbul University, Faculty of Medicine, Department of Paediatric Rheumatology, Istanbul, Turkey.