Study Design
This was a cross-sectional pilot study conducted at a single CF-center
in the Netherlands. The medical ethics committee of Amsterdam
University Medical Centers, the Netherlands, approved the study
(METc_2021.0469). For this study, self-report questionnaires were
completed by the participants and analyzed to asses GI symptoms (Dutch
GI Symptom Tracker), anxiety (GAD-7), depression (PHQ-9) and HRQoL
(CFQ-R).