1. School
of Public Health, University of Illinois at Chicago, Chicago, Illinois 60612, United States
2. Cooperative
Wildlife Research Laboratory and Department of Zoology, Southern Illinois University, Carbondale, Illinois 62901, United States
3. Research
Division, Wellington Laboratories, Guelph, Ontario N1G 3M5, Canada
4. Department
of Civil and Materials Engineering, University of Illinois at Chicago, Chicago, Illinois 60607, United States
5. Department
of Earth and Environmental Sciences, University of Illinois at Chicago, Chicago, Illinois 60607, United States
6. Department
of Veterinary Biomedical Sciences and Toxicology Centre, University of Saskatchewan, Saskatoon, Saskatchewan S7N 5B3, Canada