Owen, Laura J.
Monaghan, Phillip J.
Armstrong, Anne
Keevil, Brian G.
Higham, Claire
Salih, Zena
Howell, Sacha
Article History
Received: 15 August 2018
Revised: 18 December 2018
Accepted: 2 January 2019
First Online: 25 January 2019
Competing interests
: The authors declare no competing interests.
: Clinical Audit Committee approval at The Christie NHS Foundation Trust. Reference number CE16/1629.
: This work is published under the standard license to publish agreement. After 12 months the work will become freely available and the license terms will switch to a Creative Commons Attribution 4.0 International (CC BY 4.0).