1. National Research Council (CNR) Institute of Clinical Physiology (IFC) Pisa Italy
2. Department of Medicine University of Padova Padova Italy
3. Nephrology Dialysis and Kidney Transplantation Unit Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Azienda Ospedaliero‐Universitaria di Bologna, S. Orsola Malpighi Hospital Bologna Italy
4. National Research Council–Institute of Clinical Physiology (CNR‐IFC) Clinical Epidemiology of Renal Diseases and Hypertension, Ospedali Riuniti Reggio Calabria Italy
5. Laboratory Medicine Unit, Department of Medicine University of Padua Padua Italy
6. Department of Medicine, Clinica Medica 1 University of Padua Padua Italy
7. Division of Nephrology, Department of Medicine Columbia University Irving Medical Center New York NY USA
8. Service des Maladies Osseuses, Département de Médecine Hôpitaux Universitaires de Genève (HUG) Geneva Switzerland
9. Department of General Internal Medicine and Nephrology Robert‐Bosch‐Krankenhaus Stuttgart Germany
10. Unit of Nephrology, Dialysis and Kidney Transplantation, Fondazione Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Ca' Granda Ospedale Maggiore Policlinico di Milano Milan Italy
11. Department of Clinical Sciences and Community Health University of Milan Milan Italy
12. Policlinico San Martino Genova Italy
13. Nephrology and Dialysis Unit, Azienda Socio‐Sanitaria Territoriale (ASST) Fatebenefratelli Sacco, Department of Clinical and Biomedical Sciences 'Luigi Sacco', Università di Milano Milan Italy
14. Onco‐Nephrology Outpatient Clinic, Nephrology and Dialysis Unit Azienda Socio‐Sanitaria Territoriale (ASST) Fatebenefratelli Sacco, Fatebenefratelli Hospital Milan Italy
15. Alessandro Manzoni Hospital, Azienda Socio‐Sanitaria Territoriale (ASST) Lecco Lecco Italy
16. Independent Researcher Cagliari Italy