Funding for this research was provided by:
National Institute for Health Research (PDF-2017-10-047)
Text and Data Mining valid from 2019-12-01
Received: 8 July 2019
Accepted: 21 November 2019
First Online: 17 December 2019
Ethics approval and consent to participate
: The study was approved by the North West - Greater Manchester East Research Ethics Committee (REC) (REC Reference: 17/NW/0737). Written or recorded verbal consent was obtained from the participants, by the interviewer, immediately prior to the interview. Recorded verbal consent was obtained when participants completed the interviews by phone. This was approved by the ethics committee.
: Not applicable.
: GT, CM, RF and LA report no competing interests. MC has received personal fees from PCORI, Astellas, Takeda, Glaukos, and Merck outside the submitted work. JM has received personal fees from Pfizer/BMS outside the submitted work.