[1] London Sch Hyg & Trop Med, Dept Hlth Serv Res & Policy, 15-17 Tavistock Pl, London WC1H 9SH, England
[2] Univ Sao Paulo, Sch Med, Dept Prevent Med, Sao Paulo, Brazil
[3] UCL, Inst Global Hlth, London, England
[4] Sao Paulo Municipal Hlth Dept, Med Residency Program Psychiat, Sao Paulo, Brazil
[5] UCL, Div Psychiat, London, England