1. Office of Research and Knowledge Transfer Mid Atlantic University Las Palmas de Gran Canaria Spain
2. National Institute of Psychiatry Ramón de la Fuente Muñiz Direction of Epidemiological and Psychosocial Research Mexico City Mexico
3. Department of Social and Environmental Processes and Health National Council of Humanities Sciences and Technologies (CONAHCYT) Center for Research and Higher Studies in Social Anthropology (CIESAS) Southeast Unit San Cristóbal de las Casas Chiapas Mexico
4. National Institute of Public Health Centre for Health Systems Research Cuernavaca Morelos Mexico