1. Department of Vascular Surgery; University of Erlangen; Erlangen Germany
2. Department of Nephropathology; University of Erlangen; Erlangen Germany
3. Department of Medical Informatics, Biometry and Epidemiology; Friedrich Alexander University Erlangen-Nuernberg FAU; Erlangen Germany
4. Department of Surgery; University Medical Center Mannheim; Medical Faculty Mannheim; Heidelberg University; Mannheim Germany
5. Department of Pathology; University Medical Centre Mannheim; Medical Faculty Mannheim; Heidelberg University; Mannheim Germany
6. Department of Nephrology; University of Erlangen; Erlangen Germany
7. Department of Medicine V; University Medical Center Mannheim; Medical Faculty Mannheim; Heidelberg University; Mannheim Germany