1. Department of Veterinary Medicine and Public Health, School of Veterinary Medicine and Animal Science, São Paulo State University–UNESP, Botucatu, São Paulo, Brazil.
2. Present address: Department of Public Health, School of Medical Sciences, State University of Campinas–UNICAMP, Campinas, São Paulo, Brazil.
3. Center for Wildlife Medicine and Research, School of Veterinary Medicine and Animal Science, São Paulo State University–UNESP, Botucatu, São Paulo, Brazil.
4. Environmental Health Surveillance, Botucatu Municipal Secretariat of Health, Botucatu, São Paulo, Brazil.
5. Department of Public Health, School of Medical Sciences, State University of Campinas–UNICAMP, Campinas, São Paulo, Brazil.