1. Division of Gastroenterology; University of California San Diego; La Jolla CA USA
2. Division of Biomedical Informatics; University of California San Diego; La Jolla CA USA
3. Visting Fellow; OptumLabs; Cambridge MA USA
4. Altman Clinical and Translational Research Institute; University of California San Diego; La Jolla CA USA
5. Robarts Clinical Trials, Inc.; London ON Canada
6. Department of Epidemiology and Biostatistics; Western University; London ON Canada
7. Division of Gastroenterology; Department of Medicine; University Hospital; London ON Canada