1. Department of Tropical Medicine, Vector-Borne and Infectious Disease Research Center, School of Public Health and Tropical Medicine, Tulane University, New Orleans, Louisiana, USA.
2. New Orleans Mosquito, Rodent, and Termite Control, New Orleans, Louisiana, USA.
3. Louisiana Department of Fisheries and Wildlife, Baton Rouge, Louisiana, USA.
4. Department of Health, Office of Public Health, New Orleans, Louisiana, USA.
5. Louisiana State University School of Veterinary Medicine, Baton Rouge, Louisiana, USA.
6. Department of Epidemiology, School of Public Health, Louisiana State University, New Orleans, Louisiana, USA.