1. Community Environmental Health Program, College of Pharmacy, Department of Pharmaceutical Sciences, University of New Mexico Health Sciences Center, Albuquerque, New Mexico, USA
2. Department of Environmental Science, College of Agriculture, Life and Environmental Sciences, University of Arizona, Tucson, Arizona, USA
3. British Columbia Centre for Disease Control, Vancouver, British Columbia, Canada
4. Department of Internal Medicine and Comprehensive Cancer Center, University of New Mexico, Albuquerque, New Mexico, USA