Das-Gupta, E
Dignan, F
Shaw, B
Raj, K
Malladi, R
Gennery, A
Bonney, D
Taylor, P
Scarisbrick, J
Article History
Received: 22 October 2013
Revised: 15 March 2014
Accepted: 25 March 2014
First Online: 2 June 2014
Competing interests
: FLD, JJS and BES have received research funding, honoraria and speaker’s fees from Therakos. EDG has received honoraria and speaker’s fees from Therakos. PCT has received speaker fees from Therakos. KR has received sponsorship for attendance at conferences from Therakos. None of the other authors have declared any conflicts of interest.