Agustín Güemes-Quinto, Service of Coloproctology, Hospital General de México “Dr. Eduardo Liceaga,” Mexico City, Mexico
Dahiana A. Pichardo-Cruz, Service of Coloproctology, Hospital General de México ”Dr. Eduardo Liceaga,” Mexico City, Mexico
Karla I. Luján-Mendoza, Service of Coloproctology, Hospital General de México ”Dr. Eduardo Liceaga,” Mexico City, Mexico
Billy Jiménez-Bobadilla, Service of Coloproctology, Hospital General de México ”Dr. Eduardo Liceaga,” Mexico City, Mexico
Juan A. Villanueva Herrero, Service of Coloproctology, Hospital General de México ”Dr. Eduardo Liceaga,” Mexico City, Mexico