Table 1.

Characteristics of the expert group.

Participant characteristics	Number
Country (n)	United Kingdom (23), Australia (4), Canada (3), Ireland (3), Greece (2), Chile (1), France (1), Netherlands (1), United States of America (1)
SRC/External/PPI, n	14/23/2
Female/Male, n	24/15
Academic/HCP/PPI, n	22/15/2
HCP Positions, n	Physiotherapist (7), Consultant/Professor (4), kinesiologist/exercise physiologist (1), clinical researcher (1), pulmonologist (1), technical instructor (1)
ECR/Non-ECR †, n	18/19
Experience in CF (years, mean ± SD)	13 ± 9 years (range = 0–36 years*)
Experience in CF (cumulative total, years)	479 years

CF: cystic fibrosis; ECR: Early Career Researcher/Professional; HCP: healthcare professional; PPI: public and patient involvement; SRC: Members of ‘Youth Activity Unlimited’ Strategic Research Centre. †Identity as an ECR was self-selected (Supplementary File 1). Academic and clinicians only included within this breakdown of ECR numbers (no PPI included). *Experience in completed number of years.