1. Department of Medicine, College of Physicians and Surgeons, Columbia University, New York, New York, USA
2. Department of Environmental Medicine, New York University, New York, New York, USA
3. Department of Medicine, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania, USA
4. Department of Epidemiology, School of Public Health, University of Michigan, Ann Arbor, Michigan, USA
5. Radiology and Imaging Sciences, Clinical Center, National Institutes of Health, Department of Health and Human Services, Bethesda, Maryland, USA
6. Department of Environmental and Occupational Health Sciences
7. Department of Medicine, and
8. Department of Epidemiology, University of Washington, Seattle, Washington, USA
9. Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, New York, USA