1. Institute of Social and Preventive Medicine; Lausanne University Hospital; Lausanne Switzerland
2. General Pediatrics; Lausanne University Hospital; Lausanne Switzerland
3. Adult Rheumatology; Centre hospitalier Lyon-Sud; Lyon France
4. Pediatric Rheumatology Unit of Western Switzerland; Lausanne University Hospital and Geneva University Hospital; Lausanne Switzerland
5. Pediatric Endocrinology and Diabetology Unit; Lausanne University Hospital; Lausanne Switzerland
6. Institute of Social Sciences and LIVES; University of Lausanne; Lausanne Switzerland