[1] Icahn Sch Med, Gastroenterol, New York, NY USA
[2] Western Univ, Epidemiol & Biostat, London, ON, Canada
[3] Alimentiv Inc, Epidemiol & Biostat, London, ON, Canada
[4] Eli Lilly & Co, Immunol, Indianapolis, IN 46285 USA
[5] Univ Kiel, Dept Internal Med, Univ Hosp Schleswig Holstein, Kiel, Germany
[6] Humanitas Res Hosp, Gastroenterol, Milan, Italy