1. Department of Medicine, Columbia University College of Physicians and Surgeons, New York, New York
2. Department of Epidemiology, Columbia University Mailman School of Public Health, New York, New York
3. Respiratory Division, McGill University, Montreal, Quebec, Canada
4. Department of Radiology, University of Iowa, Iowa City, Iowa
5. Division of Pulmonary, Northwestern University, Chicago, Illinois
6. Department of Environmental and Occupational Health Sciences, University of Washington, Seattle, Washington
7. Division of Biostatistics and Epidemiology, Department of Public Health Sciences, University of Virginia, Charlottesville, Virginia
8. Division of Genomic Outcomes, University of California, Los Angeles, School of Medicine, Torrance, California
9. Department of Cardiology, Johns Hopkins University, Baltimore, Maryland
10. Division of Epidemiology and Community Health, University of Minnesota, Minneapolis, Minnesota
11. Division of Public Health Sciences, Wake Forest School of Medicine, Winston-Salem, North Carolina; and
12. Division of Cardiology, University of California, Los Angeles, School of Medicine, Los Angeles, California