1. Section of Pulmonary, Critical Care, Sleep and Allergy, Department of Medicine, College of Medicine, University of Illinois at Chicago, Chicago, IL
2. Center for Narcolepsy, Sleep and Health Research, College of Nursing, University of Illinois at Chicago
3. Jesse Brown VA Medical Center, Chicago, IL
4. Department of Health System Science, College of Nursing, University of Illinois at Chicago
5. Sleep and Performance Research Center, Washington State University, Spokane, WA
6. Center for Sleep and Circadian Neurobiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
7. Unit for Experimental Psychiatry, Division of Sleep and Chronobiology, Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
8. Department of Biobehavioral Health Science, College of Nursing, University of Illinois at Chicago, Chicago, IL