Lucas, C M
Harris, R J
Holcroft, A K
Scott, L J
Carmell, N
McDonald, E
Polydoros, F
Clark, R E
Article History
Received: 28 August 2014
Revised: 26 February 2015
Accepted: 27 February 2015
First Online: 13 March 2015
Competing interests
: REC has received research funding from Novartis, Bristol Myers Squibb, Pfizer Sanofi (not related to this publication), and is a member of the speakers bureau for Novartis and (not related to this publication) Sanofi. The remaining authors declare no conflict of interest.