Funding for this research was provided by:
Breast Cancer Now (SP529)
Article History
Received: 6 June 2018
Accepted: 20 September 2018
First Online: 1 October 2018
Compliance with ethical standards
: The study was approved by East of Scotland Research Ethics Service (NRES reference number: 13/ES/0015) and registered with ExternalRef removed, ID number: NCT02599506.
: The authors declare that they have no conflict of interest.