aInstituto de Medicina Tropical Alexander von Humboldt, Universidad Peruana Cayetano Heredia

bHospital Cayetano Heredia, Lima, Peru

Correspondence to Carlos Seas, MD, FIDSA, Instituto de Medicina Tropical Alexander von Humboldt, Universidad Peruana Cayetano Heredia, Av Honorio Delgado 430, Lima 31, Peru. Tel: +51 1 4823920; e-mail: [email protected]

Supplemental digital content is available for this article. Direct URL citations appear in the printed text and are provided in the HTML and PDF versions of this article on the journal's Website (www.co-infectiousdiseases.com).