1. 1Department of Epidemiology, School of Public Health, University of Alabama at Birmingham, Birmingham, Alabama.
2. 2Department of Epidemiology & Biostatistics, University at Albany, State University of New York, Rensselaer, New York.
3. 3Department of Obstetrics & Gynecology, Maimonides Medical Center, Brooklyn, New York.
4. 4Department of Medicine, Georgetown University Medical Center, Washington, DC.
5. 5Department of Medicine, University of California, San Francisco, California.
6. 6Department of Epidemiology, Johns Hopkins University, Baltimore, Maryland.
7. 7Department of Obstetrics & Gynecology, University of North Carolina School of Medicine, Chapel Hill, North Carolina.
8. 8Division of Geriatric Medicine/Gerontology, University of Mississippi Medical Center, Jackson, Mississippi.
9. 9Schools of Nursing and Medicine, University of Alabama at Birmingham, Birmingham, Alabama.
10. 10Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee.
11. 11Translational Research Center, College of Dentistry, New York University, New York, New York.