1. Clinical Trials Unit on Addiction and Mental Health, National Institute of Psychiatry Ramón de la Fuente Muñiz, Mexico City, Mexico
2. Department of Neuropsychology, National Autonomous University of Mexico, Mexico City, Mexico
3. Psychiatric Service, University of Salamanca Health Care Complex, & Institute of Biomedicine of Salamanca (IBSAL), University of Salamanca, Salamanca, Spain
4. Department of Epidemiological and Psychosocial Research, National Institute of Psychiatry Ramón de la Fuente Muñiz, Mexico City, Mexico