1. Division of Pulmonary/Critical Care Medicine, The Burns & Allen Research Institute, Cedars-Sinai Medical Center, Los Angeles, California;
2. Los Angeles Biomedical Research, Institute at Harbor-UCLA Medical Center, Torrance, California;
3. El Camino College, Torrance, California; and
4. David Geffen School of Medicine at UCLA, Los Angeles, California; and
5. The UCLA Fielding School of Public Health, Los Angeles, California