1. Department of Health Promotion Sciences Mel & Enid Zuckerman College of Public Health, University of Arizona Tucson Arizona USA
2. Department of Psychology, Columbian College of Arts and Sciences George Washington University Washington District of Columbia USA
3. College of Nursing University of Arizona Tucson Arizona USA
4. College of Medicine University of Arizona Tucson Arizona USA
5. Division of Sleep and Circadian Disorders, Brigham and Women's Hospital Harvard Medical School Boston Massachusetts USA
6. Department of Mathematics University of Arizona Tucson Arizona USA
7. Department of Epidemiology and Biostatistics, Mel and Enid Zuckerman College of Public Health University of Arizona Tucson Arizona USA
8. The Miriam Hospital Warren Alpert Medical School of Brown University, The Initiative on Stress, Trauma, and Resilience (STAR), Department of Psychiatry and Human Behavior, Center for Behavioral and Preventive Medicine Providence Rhode Island USA