| Institution: | 1. Department of Research & Evaluation, Kaiser Permanente Southern California, Pasadena, CA;2. Harvard Medical School, VA Boston Healthcare System, Pulmonary and Critical Care Section, Boston, MA;3. University of Washington, Seattle, Puget Sound VA Health System, Seattle, WA;4. Department of Research & Evaluation, Kaiser Permanente Southern California, Pasadena, CA;5. Department of Research & Evaluation, Kaiser Permanente Southern California, Pasadena, CA;6. Kaiser Permanente Southern California, San Diego, CA;7. Department of Research & Evaluation, Kaiser Permanente Southern California, Pasadena, CA |
