1. University of Calgary; Community Health Sciences; Calgary AB Canada
2. University of Ottawa; School of Epidemiology and Public Health; Ottawa ON Canada
3. University of Calgary; Department of Medicine; TRW Building Rm 6D18 3280 Hospital Drive NW Calgary AB Canada T2N 4Z6
4. Catholic University of Paraná (PUCPR); IBD Outpatients Clinic, Colorectal Surgery Unit; Curitiba Brazil
5. University of Calgary; Department of Obstetrics & Gynecology; Calgary Alberta Canada
6. The Hospital for Sick Children; Division of Gastroenterology, Hepatology & Nutrition; Toronto ON Canada
7. The Children's Hospital of Eastern Ontario; Division of Gastroenterology Hepatology & Nutrition; 401 Smyth Road Ottawa ON Canada K1H 8L1
8. University of Ottawa; Department of Pediatrics; Ottawa ON Canada