1. Research Center and Department of Pediatrics (C.L.D.), Centre Hospitalier Universitaire Sainte-Justine, Montréal, Québec, Canada H3T 1C5
2. Department of Health Administration (M.To.), Université de Montréal, Montréal, Québec, Canada H3N 1X7
3. Department of Endocrinology, Metabolism, and Diabetology (C.H.), Karolinska University Hospital, SE-17176 Stockholm, Sweden
4. Department of Pediatrics (D.B.A.), University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin 53705
5. Department of Endocrinology (M.Ta.), Hôpital des Enfants and Université Paul Sabatier, 31059 Toulouse, Cedex 9, France
6. Department of Endocrinology and Diabetes (J.S.C.), Aarhus University Hospital, DK-8000 Aarhus, Denmark