Independent, Doctorado en Salud Pública, Independent, University of California, San Francisco (UCSF) - School of Medicine, Independent, Independent, affiliation not provided to SSRN, Independent, Independent, Independent, Independent, Independent, Independent, Independent, Independent, Independent, Independent, Independent, Independent, Universidad Industrial de Santander, Independent, Universidad El Bosque, Universidad del Norte, Independent, Mangalore University - Department of Sociology, Students, Independent, Universidad del Rosario, Independent and Industrial University of Santander - Faculty of Health