Nicholls, J., Cramer, S., Ryder, S., Gold, D., Priyadarshi, S., Millar, S., Hunter, C., Hogg, R., Jones, A., Measham, F., Stevens, A., Hamilton, I., McPhee, I., Eastwood, N. & Powell, M., 16 Aug 2019, (E-pub ahead of print) In: The Lancet Psychiatry.6, 10, p. 804-8041 p.