Parham, L R
Briley, L P
Li, L
Shen, J
Newcombe, P J
King, K S
Slater, A J
Dilthey, A
Iqbal, Z
McVean, G
Cox, C J
Nelson, M R
Spraggs, C F
Article History
Received: 19 November 2014
Revised: 13 February 2015
Accepted: 26 March 2015
First Online: 19 May 2015
Competing interests
: LRP, LPB, LL, JS, KSK, AJS, CJC, MRN and CFS are employees of and hold stocks/stock options in GlaxoSmithKline. PJN was an employee of GlaxoSmithKline at the time of the study. GM has received research support from GlaxoSmithKline. AD and ZI declare no conflict of interest.