¹Institute of Genetic Epidemiology, Medical University of Innsbruck, Innsbruck, Austria

²Department of Nephrology and Medical Intensive Care, Charité-Universitätsmedizin Berlin, Berlin, Germany

Correspondence: Prof. Kai-Uwe Eckardt, Department of Nephrology and Medical Intensive Care, Charité-Universitätsmedizin Berlin, Charitéplatz 1, 10117 Berlin, Germany. Email: [email protected]