1. Department of Community, Environment and Policy, Mel and Enid Zuckerman College of Public Health, University of Arizona , Tucson, Arizona 85724, USA
2. Department of Epidemiology and Biostatistics, Mel and Enid Zuckerman College of Public Health, University of Arizona , Tucson, Arizona 85724, USA
3. Statistics Consulting Lab, BIO5 Institute, University of Arizona , Tucson, Arizona 85721, USA
4. Southwest Environmental Health Sciences Center, University of Arizona , Tucson, Arizona 85721, USA
5. Center for Fire, Rescue, & EMS Health Research, NDRI-USA , Leawood, Kansas 66224, USA
6. American Water , Belleville, Illinois 62223, USA
7. Department of Pharmacology and Toxicology, R. Ken Coit College of Pharmacy, University of Arizona , Tucson, Arizona 85721, USA