1. Department of Colorectal Surgery Fundación Santa Fe de Bogotá Bogotá Colombia
2. Department of Colorectal Surgery Hospital Militar Central Bogotá Colombia
3. Department of Surgery Universidad El Bosque Bogotá Colombia
4. Department of General Surgery Hospital Militar Central Bogotá Colombia
5. Department of General Surgery Fundación Cardioinfantil Bogotá Colombia
6. Medical and Surgical Research Center Future Surgeons Chapter, Colombian Surgery Association Bogotá Colombia
7. International Coalition on Surgical Research Universidad Nacional Autónoma de Nicaragua Managua Nicaragua
8. Department of Surgery Fundación Santa Fe de Bogotá Bogotá Colombia
9. Department of Surgery Pontificia Universidad Javeriana Bogotá Colombia
10. Department of Surgery Fundación Universitaria Sanitas Bogotá Colombia
11. Department of Colorectal Surgery Cleveland Clinic Florida Weston FL USA
12. Emergency and General Surgery Department CA Pizzardi Maggiore Hospital Bologna Italy
13. Department of Surgery Esine General Hospital ASST Valcamonica Italy
14. Department of Colorectal Surgery Hospital Central Militar Ciudad de México México
15. Department of Colorectal Surgery Fundación Clínica Valle del Lili Cali Colombia
16. Department of Surgery San Caillo – Forlanini Hospital Rome Italy
17. Complex Unit of General and Emergency Surgery Città di Sesto San Giovanni Hospital Milan Italy
18. Department of General Surgery ASST Valle Olona Busto Arsizio Italy
19. Department of General Surgery Hospital Universitario Mayor Méderi Bogotá Colombia