1. Universidad Peruana Cayetano Heredia-University of Texas Medical Branch, Collaborative Research Center–Cusco, Universidad Peruana Cayetano Heredia, Cusco, Peru;
2. School of Medicine, University of Texas Medical Branch, Galveston, Texas;
3. Division of Infectious Diseases, Department of Medicine, University of Texas Medical Branch, Galveston, Texas;
4. Sede Administrativa de la Red de Servicios de Salud Cusco Norte, Ministerio de Salud, Cusco, Peru;
5. Centro de Salud de Putucusi, Red de Servicios de Salud Cusco Norte, Ministerio de Salud, Cusco, Peru