Gillespie, Duncan https://orcid.org/0000-0003-3450-5747
Hatchard, Jenny
Squires, Hazel
Gilmore, Anna
Brennan, Alan
Funding for this research was provided by:
Medical Research Council (MR/K023195/1)
School for Public Health Research (PD-SPH-2015)
Article History
Received: 17 February 2020
Accepted: 2 December 2020
First Online: 4 January 2021
Ethics approval and consent to participate
: Ethical approval was obtained from the School of Health and Related Research, University of Sheffield (Reference 004443). Participants received an information sheet and signed a form consenting to our use of their anonymised data.
: Not applicable.
: The authors declare that they have no competing interests.