1. Pontificia Universidad Javeriana , Department of Surgery, School of Medicine, . Bogotá 110111 , Colombia
2. Hospital Universitario San Ignacio , Department of Surgery, School of Medicine, . Bogotá 110111 , Colombia
3. Pontificia Universidad Javeriana , Department of Thoracic Surgery, School of Medicine, . Bogotá 110111 , Colombia
4. Hospital Universitario San Ignacio , Department of Thoracic Surgery, School of Medicine, . Bogotá 110111 , Colombia