1. Department of Clinical Pharmacy and Pharmacology; University Medical Center Groningen, University of Groningen; Groningen The Netherlands
2. Department of Medical Endocrinology; Rigshospitalet University Hospital of Copenhagen; Copenhagen Denmark
3. Azienda Ospedaliera Papa Giovanni XXIII and IRCCS-Instituto di Ricerche Farmacologiche Mario Negri; Bergamo Italy
4. Division Nephrology; VanderBilt University; Nashville TN USA
5. PharmacoEpidemiology and PharmacoEconomics (PE2); University of Groningen; Groningen The Netherlands
6. Department of Epidemiology; University Medical Center Groningen, University of Groningen; Groningen The Netherlands