Funding for this research was provided by:
Cystic Fibrosis Trust (VIA025)
University of Nottingham (.)
Nottingham Hospitals Charity (.)
Received: 12 April 2019
Accepted: 9 August 2019
First Online: 20 August 2019
Ethics approval and consent to participate
: The University of Nottingham Research Ethics Committee deemed this work not to require ethical approval.
: Consent for publication has been received from all those identifiable in the photograph included in Fig. InternalRef removeda.
: RM was a paid JLA advisor during this work.Outside the submitted work: NJR has given lectures at meetings sponsored by TEVA. AS has provided consultancy for Vertex and holds a current unrestricted research grant from Vertex. He has taken part in clinical trials sponsored by Vertex, Raptor and Insmed. He has given lectures at meetings sponsored by Teva and Vertex.