1
School of Medicine, Universidad Espíritu Santo – Ecuador, Guayaquil, Ecuador
2
Community Center, the Atahualpa Project, Atahualpa, Ecuador
3
Department of Epidemiology, Gilead Sciences, Inc., Foster City, CA, USA
4
Center for Global Health, Department of Microbiology, Universidad Peruana Cayetano Heredia, Lima, Perú
✉Correspondence: Oscar H. Del Brutto, MD., Air Center 3542, PO Box 522970, Miami, Fl 33152-2970. Phone: +593-42285790, email oscardelbrutto@hotmail.com
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