1. Department of Experimental Medicine Sapienza University of Rome Rome Italy
2. Oncological Endocrinology Unit Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Regina Elena National Cancer Institute Rome Italy
3. Service of Medical Statistics and Information Technology Fatebenefratelli Foundation of Health Research and Education Rome Italy
4. Department of Biomedicine and Prevention University of Rome Tor Vergata Rome Italy
5. Operative Research Unit of Osteo‐metabolic and thyroid diseases Fondazione Policlinico Universitario Campus Bio‐Medico Rome Italy
6. Division of Bone and Mineral Diseases Washington University in St. Louis St. Louis MO USA
7. Department of Public Health and Infectious Diseases, Section of Medical Statistics Sapienza University of Rome Rome Italy