[1] Inst Salud Carlos III, Serv Micol, Ctr Nacl Microbiol, Majadahonda, Spain
[2] Adolfo Lutz Inst, Secao Micol, Serv Parasitol, Sao Paulo, Brazil
[3] Inst Nacl Salud, Microbiol Grp, Bogota, Colombia
[4] Inst Med Trop Pedro Kouri, Dept Bacteriol Micol, Havana, Cuba
[5] Org Panamericana Salud, Unidad Medicamentos Esenciales Vacunas & Tecnol S, Quito, Ecuador