1. Institute for Diagnostic and Interventional Radiology; Hannover Medical School; Hannover Germany
2. Institute for Pathology; Hannover Medical School; Hannover Germany
3. Clinic for Nephrology; Hannover Medical School; Hannover Germany
4. Clinic for General, Abdominal and Transplant Surgery; Hannover Medical School; Hannover Germany
5. Institute for Biostatistics; Hannover Medical School; Hannover Germany