1. U.S. Geological
Survey, Fort Collins Science Center, 2150 Centre Avenue, Building C, Fort Collins, Colorado 80526, United States
2. University of Saskatchewan, Toxicology Centre, 44 Campus Drive, Saskatoon, Saskatchewan S7N 5B3, Canada
3. University of New Brunswick, Canadian Rivers Institute and Biology Department, 100 Tucker Park Road, Saint John, New Brunswick E2L 4L5, Canada
4. Environment and
Climate Change Canada, Aquatic Contaminants Research Division, Burlington, Ontario L7S 1A1, Canada