1Department of Pediatrics, Division of Pediatric Gastroenterology, Hepatology, and Nutrition, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA;
2Center for Gastrointestinal Biology and Disease, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA;
3Department of Pediatrics, Division of Hematology and Oncology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA;
4Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA.
Correspondence: Matthew D. Egberg, MD, MPH, MMSc. E-mail: [email protected].
SUPPLEMENTARY MATERIAL accompanies this paper at https://links.lww.com/AJG/C726, https://links.lww.com/AJG/C727, https://links.lww.com/AJG/C728, https://links.lww.com/AJG/C729, https://links.lww.com/AJG/C730