Word count

3145/3500 (excluding abstract, figure legends and references)

Number of tables/figures (max 6)

3 tables and 1 figure (supplementary 3 tables, 2 figures)

Author contributions

MJR conceived the idea and secured funding for the project with SJB. The project was led by MJR, delivered by LG, with support from SJB, RB, RM and IS. MJR/SJB/RB/RM/IS/LG recruited the panel. LG/MJR co-led on data acquisition (survey design, piloting and administration), analysis and interpretation, and drafted the manuscript. SJB/RB/RM/IS contributed to survey design and piloting, data analysis and interpretation via discussions during regular research meetings. HA, PB, JD, MD, HE-H, MF, SL, TM, JR, GS, TU, DV, NY and JW were members of the panel. All authors contributed to interpretation of the data and to critical revision of the manuscript for important intellectual content.

Acknowledgements

This study was funded by a joint award from the Rosetrees Trust and The Stoneygate Trust (OoR2021\100007), and supported by BNSSG ICB. Sara Brown is a Wellcome Trust Senior Research Fellow (220875/Z/20/Z).
The research team are grateful to Professor Miriam Santer, University of Southampton, for chairing the workshop.