Authors: David Armstrong; Alan Barkun; Ron Bridges; Rose Carter; Chris de Gara; Catherine Dube; Robert Enns; Roger Hollingworth; Donald Macintosh; Mark Borgaonkar; Sylviane Forget; Grigorios Leontiadis; Jonathan Meddings; Peter Cotton; Ernst J Kuipers Journal: Can J Gastroenterol Date: 2012-01 Impact factor: 3.522