1Clinical and Translational Epidemiology Unit, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA;
2Division of Gastroenterology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA;
3Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA;
4Division of Public Health Sciences, Department of Surgery, Washington University School of Medicine in St. Louis, St. Louis, Missouri, USA;
5Tufts University School of Medicine, Boston, Massachusetts, USA;
6Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA;
7Department of Medicine, Channing Division of Network Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA;
8Division of Gastroenterology, University of Washington School of Medicine, Seattle, Washington, USA;
9Broad Institute of MIT and Harvard, Cambridge, Massachusetts, USA.
Correspondence: Andrew T. Chan. E-mail: [email protected].
SUPPLEMENTARY MATERIAL accompanies this paper at http://links.lww.com/AJG/B261