Effect of gastroenterology resident use of a social network workgroup on skills in characterizing colorectal neoplasia: Prospective study - Pierre Lafeuille; Jérôme Rivory; Lucile Héroin; Olivier Gronier; Sébastien Couraud; Thimothee Wallenhorst; Jérémie Albouys; Romain Legros; Denis Sautereau; Stanislas Chaussade; Thierry Ponchon; Fabien Subtil; et al. (Endoscopy International Open)