Valli, I
Crossley, N A
Day, F
Stone, J
Tognin, S
Mondelli, V
Howes, O
Valmaggia, L
Pariante, C
McGuire, P
Article History
Received: 28 October 2015
Revised: 29 January 2016
Accepted: 22 February 2016
First Online: 3 May 2016
Competing interests
: JS has received honoraria from Janssen Pharmaceuticals, Behrenberg Bank, AstraZeneca, Pfizer, Sunovion and Hoffman-La Roche. OH has received investigator-initiated research funding from and/or participated in advisory/speaker meetings organised by Astra-Zeneca, Autifony, BMS, Eli Lilly, Heptares, Jansenn, Lundbeck, Lyden-Delta, Otsuka, Servier, Sunovion, Rand and Roche. IV was supported by NIHR clinical lectureship. The remaining authors declare no conflict of interest.