1. Department of Nephrology and Hypertension
2. Department of Internal Medicine 3 and Institute for Clinical Immunology
3. Department of Radiology, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen
4. Institute of Clinical Microbiology and Hygiene, University Regensburg, Regensburg
5. Experimental and Clinical Research Center, a joint cooperation between the Charité Medical Faculty and the Max-Delbrück Center for Molecular Medicine, Berlin, Germany
6. Department of Clinical Pharmocology, Vanderbilt University, Nashville, TN, USA