[1] Inst Ciencias Neurol, Cysticercosis Unit, Lima 1, Peru
[2] Univ Peruana Cayetano Heredia, Ctr Global Hlth Tumbes, Lima, Peru
[3] Univ Peruana Cayetano Heredia, Sch Sci, Dept Microbiol, Lima, Peru
[4] NIAID, Parasit Dis Lab, NIH, Bethesda, MD 20892 USA
[5] Univ Espiritu Santo Ecuador, Sch Med, Guayaquil, Ecuador
[6] Hosp Clin Kennedy, Dept Neurol Sci, Guayaquil, Ecuador