Mikel Rojo-Abecia, Department of General Surgery, Infanta Leonor University Hospital, Madrid, Spain
Leyre López-Antoñanzas, General Surgery and Digestive System Service, Hospital Clínico San Carlos, Madrid, Spain
Rocío B. Avellana-Moreno, General Surgery and Digestive System Service, Hospital Clínico San Carlos, Madrid, Spain
Enrique Camarero-Rodríguez, General Surgery and Digestive System Service, Hospital Clínico San Carlos, Madrid, Spain
Eva García-Romero, General Surgery and Digestive System Service, Hospital Clínico San Carlos, Madrid, Spain
Pablo Talavera-Eguizabal, General Surgery and Digestive System Service, Hospital Clínico San Carlos, Madrid, Spain
Antonio J. Torres-García, General Surgery and Digestive System Service, Hospital Clínico San Carlos, Madrid, Spain