| Affiliation: | 1. Department of Mental Health, Bloomberg School of Public Health Johns Hopkins University, , Baltimore, Maryland;2. California Pacific Medical Center Research Institute, , San Francisco, California;3. Department of Epidemiology, Bloomberg School of Public Health, , Baltimore, Maryland;4. Division of Pulmonary and Critical Care Medicine, Department of Medicine, School of Medicine Johns Hopkins University, , Baltimore, Maryland;5. Division of Sleep Medicine, Brigham and Women's Hospital and Beth Israel Deaconess Medical Center, Harvard Medical School, , Boston, Massachusetts;6. Department of Psychiatry, University of California At San Diego, , California;7. Department of Medicine, University of California at San Diego, , California;8. Department of Psychiatry, University of California At San Francisco and San Francisco Veterans Affairs Medical Center, , San Francisco, California;9. Department of Neurology, University of California At San Francisco and San Francisco Veterans Affairs Medical Center, , San Francisco, California;10. Department of Epidemiology and Biostatistics, University of California at San Francisco and San Francisco Veterans Affairs Medical Center, , San Francisco, California |
