Funding for this research was provided by:
National Institute of Diabetes and Digestive and Kidney Diseases (K23 DK 110539)
New Balance Foundation
Received: 2 July 2019
Accepted: 14 May 2020
First Online: 10 June 2020
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board at Boston Children’s Hospital. Written informed consent was obtained from a parent or legal guardian for minors < 18 years or from adult participants and a written assent from youth ages 8–17 years.
: Not applicable.