1. Department of Biology; Providence College; Providence RI USA
2. Department of Ecology & Evolutionary Biology; Yale University; New Haven CT USA
3. Centro de Pesquisas Gonçalo Moniz; Fundação Oswaldo Cruz; Ministério da Saúde; Salvador Brazil
4. Centro de Controle de Zoonoses; Secretaria Municipal de Saúde; Ministério da Saúde; Salvador Brazil
5. Instituto de Saúde Coletiva; Universidade Federal da Bahia, UFBA; Salvador Brazil
6. Department of Epidemiology of Microbial Disease; Yale School of Public Health; New Haven CT USA