1. Research Centre for Veterinary Toxicology (CEPTOX), Department of Pathology; School of Veterinary Medicine and Animal Sciences; University of São Paulo; Pirassununga; São Paulo; Brazil
2. Superior Baptist School of the Amazon (ESBAM); School of Veterinary Medicine; Manaus; Amazonas; Brazil
3. USDA-ARS Poisonous Plant Research Laboratory; Logan; Utah
4. Department of Animal Reproduction; School of Veterinary Medicine and Animal Sciences; University of São Paulo; Pirassununga; São Paulo; Brazil