1. Department of Psychiatry, Dalhousie University, Halifax, Nova Scotia, Canada
2. School of Health and Human Performance, Dalhousie University, Halifax, Nova Scotia, Canada
3. Nova Scotia Collaborative Inflammatory Bowel Disease Program, Division of Digestive Care and Endoscopy, QEII Health Science Centre, Halifax, Nova Scotia, Canada
4. Atlantic Path, Dalhousie University, Halifax, Canada
5. Research Methods Unit, Nova Scotia Health, Halifax, Nova Scotia, Canada
6. Department of Medicine, University of Alberta, Edmonton, Alberta, Canada