[1] NIAID, Parasit Dis Lab, Dept Diagnost Radiol, Ctr Clin,NIH, Bethesda, MD 20892 USA
[2] NINDS, NIH, Bethesda, MD 20892 USA
[3] Hosp Clin Kennedy, Dept Neurol Sci, Guayaquil, Ecuador
[4] Inst Nacl Neurol & Neurocirug, Mexico City, DF, Mexico
[5] Univ Calif Los Angeles, Los Angeles, CA USA
[6] Univ London Imperial Coll Sci Technol & Med, Dept Infect Dis & Microbiol, London SW7 2AZ, England
[7] Johns Hopkins Univ, Bloomberg Sch Publ Hlth, Dept Int Hlth, Baltimore, MD USA
[8] Univ Peruana Cayetano Heredia, Dept Microbiol, Lima, Peru
[9] Univ Nacl Mayor San Marcos, Sch Vet Med, Lima 14, Peru
[10] Wayne State Univ, Ctr Mol Med & Genet, Detroit, MI USA
[11] Wayne State Univ, Dept Neurol, Detroit, MI USA
[12] Univ Nacl Autonoma Honduras, Tegucigalpa, Honduras
[13] Epilepsy Fdn Amer, Los Angeles, CA USA
[14] Inst Nacl Ciencias Neurol, Cysticercosis Unit, Lima, Peru
[15] Univ Sao Paulo, Sch Med Riberao Preto, Dept Neurol, BR-14049 Ribeirao Preto, Brazil
[16] Ctr Dis Control, Div Parasit Dis, Natl Ctr Infect Dis, Atlanta, GA 30333 USA