[1] Natl Inst Dent & Craniofacial Res, Skeletal Clin Studies Unit, Craniofacial & Skeletal Dis Branch, NIH, Bethesda, MD USA
[2] Childrens Natl Med Ctr, Bone Hlth Program, Div Orthoped & Sports Med, Washington, DC 20010 USA
[3] Childrens Natl Med Ctr, Div Endocrinol & Diabet, Washington, DC 20010 USA
[4] Univ Oxford, NIHR Musculoskeletal Biomed Res Unit, Nuffield Dept Orthopaed Rheumatol & Musculoskelet, Nuffield Orthopaed Ctr, Windmill Rd, Oxford OX3 7LD, England
[5] Chandlers Ford, Eastleigh SO53 1TQ, Hants, England
[6] Bristol Royal Hosp Children, Paul OGorman Bldg,Upper Maudlin St, Bristol BS2 8BJ, Avon, England
[7] Univ Turin, Dept Pediat Endocrinol & Diabetol, Regina Margherita Children Hosp, Polonia 94, I-10126 Turin, Italy
[8] Univ Florence, Dept Internal Med, Viale Pieraccini 6, I-50134 Florence, Italy
[9] Leiden Univ, Med Ctr, Dept Endocrinol & Metab Dis, NL-2333 ZA Leiden, Netherlands
[10] Univ Lyon, NSERM UMR 1033, Dept Rheumatol, Hosp Civils Lyon, Lyon, France