We conducted the survey in two stages. The first stage was a pilot survey of 8 gastroenterologists who belong to the Colombian Association of Digestive Endoscopy ACED. They responded to the survey independently and privately.
Se realizó pilotaje de la encuesta en dos momentos, con 8 gastroenterólogos pertenecientes a la Asociación Colombiana de Endoscopia Digestiva ACED quienes la respondieron en forma autónoma y privada.