1. Department of Chemistry, University of Manitoba, Winnipeg, MB, R3T 2N2, Canada
2. Department of Occupational and Environmental Health, College of Public
Health, University of Iowa, Iowa City, Iowa 52242, United States
3. Department of Environmental Studies and Sciences and Department of
Chemistry, Richardson College for the Environment, University of Winnipeg, Winnipeg, MB, R3B 2E9, Canada