1. Division of General and GI Surgery, Department of Surgery, Center for Surgery and Public Health, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA
2. Division of Cancer Medicine, UT MD Anderson Cancer Center, Houston, Texas, USA
3. Department of Surgery, Brigham and Women’s Hospital, Boston, MA
4. Department of General Surgery, Hospital of Merano, Bolzano (Alto Adige/South Tyrolean Health authority), Italy
5. Department of Hepatopancreatobiliary Surgery, National cancer institute, Kyiv, Ukraine
6. Department of Healthcare, Hebrew SeniorLife, Boston, MA
7. Department of General, Oncological, Metabolic and Emergency Surgery. University Hospital, Krakow, Poland
8. The University of Alabama at Birmingham, Birmingham Alabama
9. Department of Thoracoabdominal surgery, Shalimov National Insitute of Surgery and Transplantology, Kyiv, Ukraine
10. Director, Shalimov National Insitute of Surgery and Transplantology, Kyiv, Ukraine
11. Chief physician, National cancer institute, Kyiv, Ukraine
12. Dept. of OB/GYN #1, Shupyk National Healthcare University of Ukraine, Kyiv, Ukraine