Affiliation: | 1. Centre for Behavioural Science and Applied Psychology (CeBSAP), Sheffield Hallam University, UK;2. School of Health and Related Research (ScHARR), University of Sheffield, UK;3. Sheffield Adult CF Centre, Northern General Hospital, Sheffield, UK;4. School of Health and Related Research (ScHARR), University of Sheffield, UK Sheffield Adult CF Centre, Northern General Hospital, Sheffield, UK |