Funding for this research was provided by:
University of Leeds (UAF)
Leeds CRUK Centre
Received: 29 July 2020
Revised: 23 November 2020
Accepted: 2 December 2020
First Online: 4 January 2021
Ethics approval and consent to participate
: Ethical permissions for use of patient material and data from patients was granted by Leeds (East) REC (references 09/H1326/108 and 06/Q1206/180). Patients recruited and informed consent was taken in line with these permissions. The study was performed in accordance with the Declaration of Helsinki.
: not applicable.
: Āll data are available either within the manuscript and supplementary material, or directly from the corresponding author.
: The authors declare no competing interests.
: R.V.B. was supported by Breast Cancer Action (charity #1170369-9) and a studentship from the University of Leeds. J.L.T. was supported by a University Academic Fellowship from the University of Leeds. L.M.W. was supported by a fellowship from the Leeds CRUK Cancer Centre.