1Division of Gastroenterology, Hepatology and Endoscopy, Brigham and Women's Hospital, Boston, Massachusetts, USA;

2Harvard Medical School, Boston, Massachusetts, USA;

3Department of Medicine, Brigham and Women's Hospital, Boston, Massachusetts, USA;

4Division of Allergy and Clinical Immunology, Brigham and Women's Hospital, Boston, Massachusetts, USA;

5Department of Pathology, Brigham and Women's Hospital, Boston, Massachusetts, USA.

Correspondence: Walter W. Chan, MD, MPH, FACG. E-mail: [email protected].

SUPPLEMENTARY MATERIAL accompanies this paper at https://links.lww.com/AJG/D201

*Mayssan Muftah and Alison H. Goldin contributed equally to this work.