1 Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY 10032, USA; New York State Psychiatric Institute, New York, NY, USA. Electronic address: franco.mascayano@nyspi.columbia.edu.
2 Ministerio de Salud, Santiago, Chile.
3 Department of Social and Behavioral Sciences, School of Global Public Health, New York University, New York, NY, USA.
4 Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY 10032, USA; New York State Psychiatric Institute, New York, NY, USA.