Murray, C D
Wood, D
Allgar, V
Walters, G
Gale, R P
Article History
Received: 24 February 2014
Accepted: 26 June 2014
First Online: 1 August 2014
Competing interests
: Mr Richard P Gale and Mr Gavin Walters have worked as consultants for and received educational grants from Novartis Pharmaceuticals UK. Their institution has performed Novartis-sponsored clinical trials. The remaining authors declare no conflict of interest.