Text and Data Mining valid from 2019-07-04
Received: 9 November 2018
Accepted: 20 June 2019
First Online: 4 July 2019
Ethics approval and consent to participate
: This paper presents secondary analysis of data. Approval for the original study (ATLAS) was obtained from the South Birmingham Research Ethics Committee (REC ref. 10/H1207/82). For patients who were eligible and interested in taking part in the ATLAS study, research nurses explained the study in detail and took written informed consent.
: The authors declare that they have no competing interests.