1. Centre for Mental Health; Imperial College; London W6 8RP UK
2. Hammersmith and Fulham Mental Unit; London SW6 UK
3. Central North West London NHS Mental Health Foundation Trust; London UK
4. Medical Statistics; University of Nottingham; Nottingham UK
5. School of Public Health; Sichuan University; Chengdu Sichuan China
6. Medical Statistics; University of Liverpool; Liverpool UK
7. Mental health and Well-being; University of Warwick; Warwick UK