1. Versailles Hospital, Department of Pediatrics, Le Chesnay
2. Department of Pediatric Rheumatology, Necker Hospital, Paris
3. Pediatric Rheumatology
4. Pediatrics, Bicêtre Hospital, Kremlin-Bicêtre
5. Department of Pediatric Rheumatology, Robert-Debré Hospital, Paris, France.
6. Department of Internal Medicine, Tenon Hospital, Paris