1. Department of Pathobiology, College of Veterinary Medicine, University of Illinois at Urbana-Champaign, Urbana, Illinois;
2. Northwest Mosquito Abatement, Wheeling, Illinois;
3. Department of Epidemiology and Public Health, Himalayan College of Agricultural Sciences and Technology, Kirtipur, Nepal;
4. Department of Natural Resources and Environmental Sciences, University of Illinois at Urbana-Champaign, Urbana, Illinois;
5. Department of Statistics, University of Illinois at Urbana-Champaign, Champaign, Illinois