Funding for this research was provided by:
Nutricia Research Foundation (1W44/5FNUT13/20)
Received: 9 September 2020
Accepted: 2 December 2020
First Online: 2 January 2021
Ethics approval and consent to participate
: The Ethics Committee of the Medical University of Warsaw approved the study (approval number: KB/117/2019).
: Not applicable.
: AS, AH, and HS have nothing to declare. JM declares that she works in the Department of Gastroenterology, which financially benefits from the sales of a digital application and booklets on the low-FODMAP diet.