1. Department of Nephrology; Kantonsspital Baden; Baden Switzerland
2. Department of Nephrology; Kantonsspital Aarau; Aarau Switzerland
3. Department of Gastroenterology and Hepatology; University Hospital Zurich; Zurich Switzerland
4. Department of Pathology; Kantonsspital Aarau; Aarau Switzerland
5. Internistische Schwerpunktpraxis Uster; Uster Switzerland
6. Department of Pathology; University Hospital Basel; Basel Switzerland
7. Department of Radiology; Kantonsspital Aarau; Aarau Switzerland