1. Asthma & Airway Disease Research Center, University of Arizona, Tucson, AZ, USA
2. Department of Community Environment and Policy, Mel and Enid Zuckerman College of Public Health, Asthma & Airway Disease Research Center, University of Arizona, Tucson, AZ, USA
3. Department of Pediatrics, College of Medicine, University of Arizona, Tucson, AZ, USA
4. Amphitheater Public Schools, Tucson, AZ, USA
5. Department of Health Promotion Sciences, Mel and Enid Zuckerman College of Public Health, Asthma & Airway Disease Research Center, University of Arizona, Tucson, AZ, USA