Authors: Mark Ram Borgaonkar; Lawrence Hookey; Roger Hollingworth; Ernst J Kuipers; Alan Forster; David Armstrong; Alan Barkun; Ron Bridges; Rose Carter; Chris de Gara; Catherine Dube; Robert Enns; Donald Macintosh; Sylviane Forget; Grigorios Leontiadis; Jonathan Meddings; Peter Cotton; Roland Valori Journal: Can J Gastroenterol Date: 2012-02 Impact factor: 3.522