[1] Queen Mary Univ London, Wolfson Inst Populat Hlth, WHO Collaborating Ctr, Unit Social & Community Psychiat, London, England
[2] East London NHS Fdn Trust, London, England
[3] Camden & Islington NHS Fdn Trust, London, England
[4] North East London NHS Fdn Trust, London, England
[5] Birmingham & Solihull Mental Hlth Fdn Trust, Birmingham, England
[6] Univ Birmingham, Sch Psychol, Birmingham, England
[7] UCL, Dept Appl Hlth Res, London, England
[8] City Univ London, Sch Hlth & Psychol Sci, London, England
[9] Act Postpartum Psychosis, London, England