1. Department of Hepatobiliary and Transplant Surgery; University Medical Center Hamburg-Eppendorf; Hamburg Germany
2. Department of Forensic Medicine; University Medical Center Hamburg-Eppendorf; Hamburg Germany
3. Department of Pediatric Hepatology and Liver Transplantation; University Medical Center Hamburg-Eppendorf; Hamburg Germany
4. Department of Medical Biometry and Epidemiology; University Medical Center Hamburg-Eppendorf; Hamburg Germany