Published on in Vol 6, No 12 (2017): December

1 National Institute for Health Research: Collaboration for Leadership in Applied Health Research and Care East Midlands, University of Nottingham , Nottingham , GB
2 Division of Rehabilitation and Ageing, School of Medicine, University of Nottingham, Nottingham , GB
3 Nottinghamshire Healthcare NHS Foundation Trust, Institute of Mental Health , Nottingham , GB
4 National Institute for Health Research: MindTech Healthcare Technology Co-operative, Institute of Mental Health, Triumph Road, Nottingham , GB
5 Centre for Academic Mental Health, School of Social & Community Medicine, University of Bristol, Bristol , GB
6 Division of Primary Care, School of Medicine, University of Nottingham, Nottingham , GB
7 Division of Epidemiology & Public Health, School of Medicine, University of Nottingham, Nottingham , GB
*all authors contributed equally