1Division of Gastroenterology, Children's Hospital of Philadelphia, Perelman School of Medicine, Philadelphia, Pennsylvania, USA;
2Department of Medicine, Division of Gastroenterology and Hepatology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA;
3Department of Pediatrics, Division of Pediatric Gastroenterology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA;
4Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, Illinois, USA;
5Susan B. Meister Child Health Evaluation and Research Center and Department of Pediatrics, University of Michigan, Ann Arbor, Michigan, USA;
6Department of Pediatrics, Susan and Leonard Feinstein IBD Center, Icahn School of Medicine, Mount Sinai New York, New York, USA;
7Division of Gastroenterology, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts, USA;
8University of Maryland School of Medicine, Division of Pediatric Gastroenterology & Nutrition, Baltimore, Maryland, USA;
9University of Maryland School of Medicine, Division of Gastroenterology and Hepatology, Baltimore, Maryland, USA;
10Division of Gastroenterology, University of Michigan, Ann Arbor, Michigan, USA;
11Susan and Leonard Feinstein IBD Center, Icahn School of Medicine, Mount Sinai New York, New York, USA;
12Division of Gastroenterology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA;
13Division of Gastroenterology and Hepatology, Northwestern University, Chicago, Illinois, USA;
14Division of Gastroenterology and Hepatology, Mayo Clinic, Jacksonville, Florida, USA;
15Esoterix Specialty Laboratory, LabCorp, Calabasas, California, USA;
16University of North Carolina School of Medicine, Chapel Hill, North Carolina, USA;
17Center for Gastrointestinal Biology and Disease, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA.
Correspondence: Arthur J. Kastl, MD. E-mail: [email protected].
SUPPLEMENTARY MATERIAL accompanies this paper at https://links.lww.com/AJG/C695, https://links.lww.com/AJG/C696