1. Department of Rheumatology, National Hospital Postgraduate Training & Medical Centre, Lahore 54000, Pakistan
2. Arthritis Care Foundation, Lahore 54000, Pakistan
3. Department of Paediatric Medicine, National University Hospital, NUHS Tower Block, Singapore 119228, Singapore
4. Department of Paediatrics, Selayang Hospital, Ministry of Health, Selangor 68100, Malaysia
5. Pediatric Rheumatology Group, Department of Paediatrics, Tehran University of Medical Sciences, Tehran 009821, Iran
6. Department of Rheumatology, Shalamar Hospital, Shalamar Medical & Dental College, Lahore 54840, Pakistan