1. Calcium Metabolism and Osteoporosis Program, World Health Organization (WHO) Collaborating Center (CC) for Metabolic Bone Disorders, Division of Endocrinology American University of Beirut Beirut Lebanon
2. Department of Clinical Internal, Anaesthesiologic and Cardiovascular Sciences, ‘Sapienza’, Rome University Rome Italy
3. Academic Unit of Bone Metabolism University of Sheffield Sheffield UK
4. Clinical Endocrinology Laboratory, Department of Endocrinology Almazov National Medical Research Centre St. Petersburg Russia
5. Department of Endocrine and Metabolic Disease, Rui‐jin Hospital Shanghai Jiao‐Tong University School of Medicine Shanghai China
6. Institute of Endocrinology and Diabetes Max Healthcare New Delhi India
7. Endocrine Division (SEMPR), Department of Internal Medicine Federal University of Parana Curitiba Brazil
8. Academic Research Center of Pro‐Renal Institute Curitiba Brazil
9. Division of Endocrinology, Department of Medicine Indiana University School of Medicine Indianapolis Indiana USA
10. Endocrinology Unit, Department of Medicine, Centro Universitario de Belo Horizonte (UNI BH) Felicio Rocho Hospital Belo Horizonte Brazil
11. Endocrinology Unit Santa Casa Hospital Belo Horizonte Brazil
12. Division of Endocrinology, Department of Medicine Columbia University Irving Medical Center New York New York USA
13. Saab Medical Library American University of Beirut Beirut Lebanon
14. Department of Clinical and Experimental Medicine, Endocrine Unit 2, University Hospital of Pisa Chairman European Group on Graves' Orbitopathy Via Paradisa 2 University of Pisa Head Pisa Italy