1. Dr. Margarete Fischer-Bosch Institute of Clinical Pharmacology, Department of Internal Medicine Robert-Bosch-Hospital Stuttgart Auerbachstrasse 110 70376 Stuttgart, Germany
2. Department of Pharmacy, Department of Internal Medicine Robert-Bosch-Hospital Stuttgart Auerbachstrasse 110 70376 Stuttgart, Germany
3. Division of Nephrology, Department of Internal Medicine Robert-Bosch-Hospital Stuttgart Auerbachstrasse 110 70376 Stuttgart, Germany