Affiliation: | 1. Department of Internal Medicine, Division of General Medicine and Nephrology, Robert-Bosch-Hospital, Stuttgart, Germany;2. Division of Cardiology, Robert-Bosch-Hospital, Stuttgart, Germany;3. Division of Nephrology, University Hospital, Zurich, Switzerland;4. Department of Internal Medicine, Tampere University Hospital, Tampere, Finland;5. School of Medicine, University of Tampere, Tampere, Finland;6. Nephrology Center, Stuttgart, Germany |