1. David R. Marquez, DVM, MPH, DACVPM, is a Postdoctoral Fellow, in the Department of Environmental Health and Engineering, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD.
2. David Marquez is also a Veterinary Preventive Medicine Officer, US Army Veterinary Corps, Medical Center of Excellence, JBSA Fort Sam Houston, TX.
3. Jacqueline Agnew, MPH, PhD, is a Professor Emeritus, in the Department of Environmental Health and Engineering, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD.
4. Daniel J. Barnett, MD, MPH, in the Department of Environmental Health and Engineering, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD.
5. Meghan F. Davis, DVM, MPH, PhD, are Associate Professors, in the Department of Environmental Health and Engineering, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD.
6. Kathryn R. Dalton, DVM, PhD, MPH, is an IRTA Postdoctoral Fellow, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, NC.