Funding for this research was provided by:
Research for Patient Benefit Programme (PB-PG-0214-33065)
Research Trainees Coordinating Centre (CS-2016-16-019)
Medical Research Council (MR/K025643/1)
Association of Breast Surgery (NA)
Received: 27 October 2019
Accepted: 3 March 2020
First Online: 6 April 2020
Ethics approval and consent to participate
: This study received full ethical approval from the University of Bristol Faculty of Health Sciences Research Ethics Committee (FREC) Reference 61501. All participants provided consent prior to study participation.
: Not applicable.
: The authors declare that they have no competing interests.