Su, L
Blamire, A M
Watson, R
He, J
Hayes, L
O'Brien, J T
Article History
Received: 13 January 2016
Revised: 9 May 2016
Accepted: 16 May 2016
First Online: 30 August 2016
Competing interests
: JTO has been a consultant for GE Healthcare, Servier and Bayer Healthcare, and has received honoraria for talks from Pfizer, GE Healthcare, Eisai, Shire, Lundbeck, Lilly and Novartis. The remaining authors declare no conflict of interest.