1. School of Occupational and Environmental Hygiene
2. Division of Pharmaceutics and Biopharmaceutics, Faculty of Pharmaceutical Sciences, The University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z3
3. Department of Chemistry, University of Wisconsin—Eau Claire, Eau Claire, Wisconsin
4. Department of Chemistry, The University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z1