1. University of Arizona College of Nursing, Tucson, AZ
2. Arizona Respiratory Center, University of Arizona, Tucson, AZ
3. College of Medicine, University of Arizona, Tucson, AZ
4. Mel & Enid Zuckerman College of Public Health, University of Arizona, Tucson, AZ
5. College of Nursing and Health Innovation, Arizona State University, Phoenix, AZ
6. Division of Sleep Medicine, Harvard Medical School, Boston, MA