Bissell, L. A.
Erhayiem, B.
Hensor, E. M. A.
Fent, G.
Burska, A.
McDiarmid, A. K.
Swoboda, P. P.
Donica, H.
Plein, S.
Buch, M. H.
Greenwood, J. P.
Andrews, J.
Article History
Received: 11 March 2019
Accepted: 12 October 2019
First Online: 8 February 2020
Compliance with ethical standards
:
: The authors declare no conflicts in interest.
: The work within this study was approved by the Leeds West ethics committee (REC 09/H1307/98 and REC 10/H1307/103) and have therefore been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments.
: All persons gave their informed consent prior to their inclusion in the study.