1. Division of Endocrinology, Department of Medicine, Vagelos College of Physicians and Surgeons Columbia University New York NY USA
2. Division of Endocrinology University of Pernambuco Medical School Recife Recife Brazil
3. Endocrine Unit 2 University Hospital of Pisa Pisa Italy
4. Osteoporosis and Bone Metabolism Unit, Department of Endocrinology Singapore General Hospital Singapore Singapore
5. Division of Endocrinology, Department of Medicine Lenox Hill Hospital New York NY USA
6. Department of Medicine, School of Clinical Sciences Monash University Clayton Victoria Australia
7. Institute of Endocrine and Metabolic Sciences San Raffaele Vita‐Salute University and IRCCS Hospital Milan Italy
8. Bone and Calcium Unit & Molecular Endocrinology Unit, Department of Endocrinology Odense University Hospital Odense Denmark
9. Department of Surgery University of California San Francisco CA USA
10. New Mexico Clinical Research & Osteoporosis Center Albuquerque NM USA
11. Endocrine/Bone Disease Program Saint John's Cancer Institute Santa Monica CA USA
12. Centre for Endocrinology, Diabetes and Metabolism Queen Elizabeth Hospital and University of Birmingham Birmingham UK
13. Division of Endocrinology and Metabolism McMaster University Hamilton ON Canada
14. Department of Clinical and Experimental Medicine University of Pisa, Endocrine Unit 2, University Hospital of Pisa Pisa Italy
15. Department of Endocrinology and Internal Medicine Aarhus University Hospital Aarhus Denmark
16. Department of Health Research Methods, Evidence and Impact McMaster University Hamilton ON Canada
17. Endocrine Unit, Department of Medicine Massachusetts General Hospital and Harvard Medical School Boston MA USA