1. Vegetative Physiologie; Charité - Universitätsmedizin Berlin; Berlin Germany
2. Nephrology and Renal Transplantation; Charité - Universitätsmedizin Berlin; Berlin Germany
3. Gastroenterology; Krankenhaus Westend; Berlin Germany
4. The Goldyne Savad Institute of Gene Therapy; Hadassah Hebrew University Medical Center; Jerusalem Israel
5. Medicine; Hadassah Hebrew University Medical Center; Jerusalem Israel