Principal Investigator Wayne I. Lencer , MD Director, Harvard Digestive Disease Center Lab members Stefanie Schmieder, PhD Instructor of Pediatrics, Harvard Medical School Senior Scientist, Division of Gastroenterology, Hepatology, and Nutrition Yanjia Jason Zhang, MD, PhD Instructor of Pediatrics, Harvard Medical School Physician-Scientist, Division of Gastroenterology, Hepatology, and Nutrition Julia Ehrmann, MD Research Fellow Mildred-Maria Reyes, BS, BA Research Associate Division of Gastroenterology, Hepatology, and Nutrition Heidi De Luca, MS Lab Manager Senior Scientist, Division of Gastroenterology, Hepatology, and Nutrition Alumni Pavi Aravamudhan, PhDSarah Cauthorn, BADenis Chang, MD, MSMichael Grey, PhDPhi Luong, PhDMariska Simpson, PhD