1. Statistical Research Consultants; Perrysburg OH USA
2. Department of Psychology; Bowling Green State University; Bowling Green OH USA
3. Department of Integrative Physiology; University of Colorado Boulder; Boulder CO USA
4. Department of Psychology; The University of Southern Mississippi; Hattiesburg MS USA
5. Department of Medicine and Division of Sleep Medicine; Harvard Medical School; Brigham and Women's Hospital and Beth Israel Deaconess Medical Center; Boston MA USA
6. Center for Clinical Investigation; Case Western Reserve University School of Medicine; and Case Center for Transdisciplinary Research on Energetics and Cancer; Case Comprehensive Cancer Center; Case Western Reserve University; Cleveland OH USA