1. From Yale University School of Medicine, New Haven, and PACT Gastroenterology Center, Hamden — both in Connecticut (P.F.); the University of Calgary and Foothills Medical Centre, Calgary, AB, Canada (T.J.L.); Cleveland Clinic, Cleveland (B.L.); Seres Therapeutics, Cambridge, MA (E.E.L.W., L.D., J.A.B., C.B.F., M.-J.L., K.D.L., J.R.W., H.W., J.G.A., C.W.J.M., J.A.W., B.H.M., M.T., M.R.H., L.M.); Beaumont Hospital, Royal Oak, Royal Oak, and Oakland University William Beaumont School of Medicine, Rochester...