Sousa, Ana R
Riley, John H
Church, Alison
Zhu, Chang-Qing
Punekar, Yogesh S
Fahy, William A
Article History
Received: 11 December 2015
Revised: 31 March 2016
Accepted: 27 April 2016
First Online: 23 June 2016
Competing interests
: A.R.S., J.H.R., A.C., C.Q.Z., Y.S.P. and W.A.F. are employees of GSK and hold stocks/shares in GSK. GSK (the study sponsor) was involved with the design of the study, collection and analysis of data and decision to publish.