1. Department of Surgery, Campus Charité Mitte and Campus Virchow KlinikumCharité ‐ Universitätsmedizin Berlin Berlin Germany
2. Department of PathologyCharité ‐ Universitätsmedizin Berlin Berlin Germany
3. Department of Gastroenterology and Hepatology, Campus Virchow KlinikumCharité ‐ Universitätsmedizin Berlin Berlin Germany
4. Department of RadiologyCharité ‐ Universitätsmedizin Berlin Berlin Germany