1. Area de Investigaciones Clinicas, Fundacion Huesped. Pje. Peluffo 3932 (C1202ABB), Buenos Aires, Argentina
2. Clinical Parasitology Unit and Helminth Immunology Section, Laboratory of Parasitic Diseases, National Institute of Allergy and Infectious Diseases, 4 Center Dr., Building 4, Room B1-05, Bethesda, Maryland 20892
3. U.S. Centers for Disease Control and Prevention (CDC) Center for Global Health, Division of Parasitic Diseases and Malaria, Parasitic Diseases Branch (CGH/DPDM/PDB), 4770 Buford Highway, MS F-36, Atlanta, Georgia 30341
4. Instituto de Investigaciones en Enfermedades Tropicales, Universidad Nacional de Salta, Sede Regional Orán, Alvarado 751 (4530), San Ramón de la Nueva Orán, Salta, Argentina
5. Hospital San Vicente de Paul, Pueyrredon 701 (4530), San Ramón de la Nueva Orán, Salta, Argentina