Francisco Reyna-Sepúlveda, Service of General Surgery, School of Medicine, ”Dr. José Eleuterio González” University Hospital, Universidad Autónoma de Nuevo León, Monterrey, Nuevo Leon, Mexico
Gerardo Enrique Muñoz-Maldonado, Servicio de Cirugía General, Hospital Universitario de Monterrey Dr. José Eleuterio González, Nuevo León, Monterrey, México
Edelmiro Pérez-Rodríguez, Service of General Surgery, School of Medicine, ”Dr. José Eleuterio González” University Hospital, Universidad Autónoma de Nuevo León, Monterrey, Nuevo Leon, Mexico
Fabiola Hernández-Trejo, Department of Surgery, University Hospital ?Dr. José Eleuterio González?, Autonomous University of Nuevo León, México
Asdrúbal Guevara-Charles, Department of Surgery, University Hospital ?Dr. José Eleuterio González?, Autonomous University of Nuevo León, México
Marco A. Hernández-Guedea, Service of General Surgery; Emergency Service. School of Medicine, ”Dr. José Eleuterio González” University Hospital, Universidad Autónoma de Nuevo León, Monterrey, Nuevo Leon, Mexico