[1] Inst Nacl Psiquiatria Ramon Fuente Muniz, Dept Invest Epidemiol & Psicosociales, Mexico City, Mexico
[2] Univ Chile, Ctr Interdisciplinario Estudios Bioet, Santiago, Chile
[3] Univ Cent Chile, Fac Ciencias Salud, Inst Invest, Santiago, Chile
[4] Inst Nacl Psiquiatria Ramon Fuente Muniz, Dept Invest Epidemiol & Psicosociales, Calz Mexico Xochimilco 101, Mexico City 14370, Mexico