From the *Division of Pediatric Gastroenterology, Hepatology and Nutrition, Department of Pediatrics, Vagelos College of Physicians and Surgeons, Columbia University Irving Medical Center, New York, NY

the †Institute of Human Nutrition, Vagelos College of Physicians and Surgeons, Columbia University Irving Medical Center, New York, NY

the ‡Division of Pediatric Endocrinology, Department of Pediatrics, Vagelos College of Physicians and Surgeons, Columbia University Irving Medical Center, New York, NY

the §Division of Pediatric Surgery, Vagelos College of Physicians and Surgeons, Columbia University Irving Medical Center, New York, NY

the ‖Columbia Magnetic Resonance Research Center (CMRRC), Columbia University, New York, NY.

Received March 16, 2022; accepted August 12, 2022.

The authors report no conflicts of interest.

Sources of Funding: The project described was supported by the National Center for Advancing Translational Sciences (grant number UL1 TR001873, with Pilot Integrating Special Populations Award on Body Composition after Bariatric Surgery to W.S.), Zuckerman Mind Brain Behavior Institute (Seed Grant CU-ZI-MR-S-0003 to W.S.), National Institute of Diabetes and Digestive and Kidney Diseases (grant number P30 DK26687). This study was also supported by a T32 Ruth L. Kirschstein National Research Service Award from the National Institutes of Health (grant number 5 T32 DK 83265-10 to E.A.B.). The content is solely the responsibility of the authors and does not necessarily represent the official views of the National Center for Advancing Translational Science, National Institute of Diabetes, Digestive and Kidney Diseases, Aging or the National Institutes of Health. The funding agencies had no role in the collection or analysis of the data. Organizational funding: Funding was received from the National Institute of Diabetes and Digestive and Kidney Diseases and from the National Institutes of Health.

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Address correspondence and reprint requests to Wei Shen, MD, MPH, MS, Division of Pediatric Gastroenterology, Hepatology and Nutrition, Department of Pediatrics, Columbia University and Institute of Human Nutrition, Columbia University Irving Medical Center, 632 West 168th Street PH-17, New York, NY 10032 (e-mail: [email protected]).