1. Faculty of Medicine, National Autonomous University of Mexico, Circuito Escolar 411A, Copilco Universidad, Coyoacán, 04360 Mexico City, Mexico
2. Global Mental Health Research Center, Department of Epidemiology and Psychosocial Research, National Institute of Psychiatry Ramón de la Fuente Muñiz, Calzada México-Xochimilco 101, San Lorenzo Huipulco, Tlalpan 14370, Mexico City, Mexico