1. Department of Pathology, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA (P.Y., F.C., P.B., H.W., V.M.D., V.M., D.S.M., T.N.M.).
2. Department of Medicine, Massachusetts General Hospital, Boston (V.Y., K.K., A.P.).
3. Now with GI Therapeutic Area Unit, Takeda Pharmaceuticals, Cambridge, MA (V.Y., A.P.).
4. Now with Department of Surgery, Kyoto University, Japan (K.K.).
5. Vascular Biology Program, Department of Surgery‚ Boston Children’s Hospital and Harvard Medical School, MA (A.K., T.H.).