Received: 3 March 2021
Revised: 23 June 2021
Accepted: 9 July 2021
First Online: 29 July 2021
: E.D.B. is a consultant of EvoEndoscopy (formerly TripleEndoscopy Inc.) and is listed as a co-inventor on patents related to endoscopy. E.D.B. also receives funding from the Cystic Fibrosis Foundation and NIH, and is a consultant for Boehringer Ingelheim, not related to this project. The remaining authors declare no competing interests.
: Informed consent was obtained from the parent or legal guardian before study procedures and assent was obtained from children aged 7 years or older, if developmentally able.