1 Skeletal Disorders and Mineral Homeostasis Section, National Institute of Dental and Craniofacial Research, NIH, Bethesda, MD, USA. mcollins@dir.nidcr.nih.gov.
2 Bone Metabolic Diseases Unit, Department of Biomedical, Experimental and Clinical Sciences, University of Florence, Florence, Italy.
3 Department of Medicine IV, Hospital of the University of Munich, Ludwig-Maximilians University, Munich, Germany.
4 Department Paediatric Orthopedic Oncology, Careggi and Meyer Children Hospital, Florence, Italy.
5 Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, USA.
6 Department of Medicine, School of Clinical Sciences, Monash University, Melbourne, Australia.
7 Departments of Medicine, Biochemistry and Molecular Biology, Mayo Clinic, Rochester, MN, USA.
8 APHP, Endocrinologie et diabète de l'enfant, Paris, France.
9 Medical Genetics and Skeletal Rare Diseases, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy.
10 University of Texas Southwestern Medical Center, Dallas, TX, USA.
11 Cardiovascular Research Group, Manchester Metropolitan University, Manchester, UK.
12 Center for Metabolic Bone Disease and Molecular Research, Shriners Hospitals for Children-St Louis, St Louis, MO, USA.
13 Division of Bone and Mineral Diseases, Department of Internal Medicine, Washington University School of Medicine, St Louis, MO, USA.
14 F.I.R.M.O. Foundation, Florence, Italy.
15 Mayo Clinic Division of Endocrinology, Diabetes, Metabolism, and Nutrition, Rochester, MN, USA.
16 Academic Endocrine Unit, Radcliffe Department of Medicine, University of Oxford, Oxford, UK.