These authors contributed equally: Michael T. Collins, Gemma Marcucci

Skeletal Disorders and Mineral Homeostasis Section, National Institute of Dental and Craniofacial Research, NIH, Bethesda, MD, USA

Michael T. Collins

Bone Metabolic Diseases Unit, Department of Biomedical, Experimental and Clinical Sciences, University of Florence, Florence, Italy

Gemma Marcucci

Department of Medicine IV, Hospital of the University of Munich, Ludwig-Maximilians University, Munich, Germany

Hans-Joachim Anders

Department Paediatric Orthopedic Oncology, Careggi and Meyer Children Hospital, Florence, Italy

Giovanni Beltrami

Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, USA

Jane A. Cauley

Department of Medicine, School of Clinical Sciences, Monash University, Melbourne, Australia

Peter R. Ebeling

Departments of Medicine, Biochemistry and Molecular Biology, Mayo Clinic, Rochester, MN, USA

Rajiv Kumar

APHP, Endocrinologie et diabète de l’enfant, Paris, France

Agnès Linglart

Medical Genetics and Skeletal Rare Diseases, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy

Luca Sangiorgi

University of Texas Southwestern Medical Center, Dallas, TX, USA

Dwight A. Towler

Cardiovascular Research Group, Manchester Metropolitan University, Manchester, UK

Ria Weston

Center for Metabolic Bone Disease and Molecular Research, Shriners Hospitals for Children-St Louis, St Louis, MO, USA

Michael. P. Whyte

Division of Bone and Mineral Diseases, Department of Internal Medicine, Washington University School of Medicine, St Louis, MO, USA

Michael. P. Whyte

F.I.R.M.O. Foundation, Florence, Italy

Maria Luisa Brandi

Mayo Clinic Division of Endocrinology, Diabetes, Metabolism, and Nutrition, Rochester, MN, USA

Bart Clarke

Academic Endocrine Unit, Radcliffe Department of Medicine, University of Oxford, Oxford, UK

Rajesh V. Thakker