1. Division of Nephrology and Hypertension, 1st Department of Internal Medicine, AHEPA Hospital, School of Medicine Aristotle University of Thessaloniki Thessaloniki Greece
2. Epidemiology Department High Institute of Public Health‐Alexandria University Alexandria Egypt
3. Department of Medical Informatics, Academic Medical Center, Amsterdam Public Health Research Institute| University of Amsterdam Amsterdam The Netherlands
4. Department of Clinical Epidemiology Leiden University Medical Center Leiden The Netherlands
5. Institute of Clinical Physiology (IFC‐CNR) Rome Italy
6. Institute of Clinical Physiology (IFC‐CNR) Clinical Epidemiology and Physiopathology of Renal Diseases and Hypertension of Reggio Calabria Reggio Calabria Italy