1. Escuela Profesional de Tecnología Médica, Universidad Privada San Juan Bautista, Lima, Peru
2. Facultad de Salud Pública, Universidad Peruana Cayetano Heredia, Lima, Peru
3. Department of Global Health and Social Medicine, Harvard Medical School, Boston, MA, USA
4. Direction of Research, Socios En Salud at Partners in Health, Lima, Peru
5. Division of Infectious Diseases, University of California, Los Angeles, CA, USA
6. Center for Interdisciplinary Studies in Sexuality, AIDS and Society, and Laboratory of Sexual Health, Universidad Peruana Cayetano Heredia, Lima, Peru