1. National Research Council (CNR)–Institute of Clinical Physiology (IFC) Pisa Italy
2. Department of Medicine University of Padua Padua Italy
3. Renal Division, Department of Health Sciences, ASST Santi Paolo e Carlo University of Milan Milan Italy
4. Department of Laboratory Medicine University Hospital of Padova Padova Italy
5. Department of General Internal Medicine and Nephrology Robert‐Bosch‐Krankenhaus Stuttgart Germany
6. Nephrology and Dialysis Unit, Azienda Socio‐Sanitaria Territoriale (ASST) Fatebenefratelli Sacco, Department of Clinical and Biomedical Sciences ‘Luigi Sacco’ Università di Milano Milan Italy
7. Department of Medicine, Clinica Medica 1 University of Padova Padova Italy
8. Alessandro Manzoni Hospital ASST Lecco Lecco Italy
9. The Royal Free Hospital and UCL Medical School London UK
10. Sheffield Kidney Institute, Sheffield Teaching Hospitals National Health Service Foundation Trust, and Academic Unit of Bone Metabolism and Mellanby Centre for Bone Research Medical School‐University of Sheffield Sheffield UK
11. Clinica Nefrologica, Dialisi e Trapianto Universita' di Genova e Policlinico San Martino Genoa Italy
12. Department of Public Health University of Naples Federico II Naples Italy
13. Independent Researcher Cagliari Italy
14. Department of Experimental and Clinical Biomedical Sciences University of Florence Florence Italy
15. Service des Maladies Osseuses, Département de Médecine HUG Genève Switzerland
16. CE‐Medical Writing Pisa Italy
17. UOC Ricerca, Innovazione, Brand Reputation ASST‐Papa Giovanni XXIII Bergamo Italy
18. Department of Nephrology and Dialysis, L. Parodi Delfino Hospital Rome Italy
19. CNR‐IFC, Clinical Epidemiology and Pathophysiology of Renal Diseases and Hypertension Reggio Calabria Italy
20. Division of Nephrology, Department of Medicine Columbia University Irving Medical Center New York City NY USA