1. Parasitology and Parasitic Diseases, Faculty of Veterinary Medicine, Cenur Litoral Norte Salto, University of the Republic. Rivera 1350 Salto, Uruguay.
2. NEOPARNET (Neotropical Parasitology Research Network) – APHIA (Asociación Peruana de Helmintología e Invertebrados Afines), Lima, Perú.
3. Universidad Nacional de la Amazonía Peruana, Facultad de Ciencias Biológicas, Sargento Lores 385, Iquitos, Perú.
4. Global Health Initiative and Department of Biology, Wabash College, Crawfordsville, Indiana 47933.