1. School of Medicine, Universidad del Rosario, Bogotá, Colombia
2. School of Medicine, Pontificia Universidad Javeriana, Bogotá, Colombia, CO
3. Department of Hepatobiliary and Pancreatic Surgery, Hospital Universitario Mayor Mederi, Bogotá, Colombia
4. Department of Thoracic Surgery, Hospital Universitario Mayor Mederi, Bogotá, Colombia