Declaration of interest
G.S.M. is a chief investigator on an NHMRC Program Grant. He has also received research support from AstraZeneca, Eli Lilly,
Organon, Pfizer, Servier and Wyeth; has been a speaker for AstraZeneca, Eli Lilly, Janssen-Cilag, Lundbeck, Pfizer, Ranbaxy,
Servier and Wyeth; and has been a consultant for AstraZeneca, Eli Lilly, Janssen-Cilag, Lundbeck and Servier. J.G. is a National
Institute for Health Research (NIHR) senior investigator.