Hall, P S
Lord, S R
Collinson, M
Marshall, H
Jones, M
Lowe, C
Howard, H
Swinson, D
Velikova, G
Anthoney, A
Roy, R
Dent, J
Cheeseman, S
Last, K
Seymour, M T
Article History
Received: 18 June 2016
Revised: 8 November 2016
Accepted: 5 December 2016
First Online: 17 January 2017
Competing interests
: Roche provided an unconditional grant but had no influence over the design or publication of this study. MTS has received travel, accommodation and departmental research funding (unconnected with 321GO) from Roche. PSH was formerly employed by the University of Leeds on a research grant from Roche as a trial administrator for an unconnected project. SRL has received travel and accommodation funding from Roche (unconnected with 321GO). MTS, HM, MJ, and HH are employed by the University of Leeds, the study sponsor.