1. Department of Medicine, Stroger Hospital of Cook County, Chicago, Illinois, USA.
2. Department of Epidemiology, Johns Hopkins University, Baltimore, Maryland, USA.
3. Hektoen Institute of Medicine, Cook County Health and Hospitals System, Chicago, Illinois, USA.
4. Department of Medicine, Albert Einstein College of Medicine, Bronx, New York, USA.
5. Division of General Medicine, Department of Medicine, Georgetown University Medical Center, Washington, District of Columbia, USA.
6. Departments of Family, Community and Health Systems, Health Behavior, Epidemiology and Medicine, University of Alabama at Birmingham, Birmingham, Alabama, USA.
7. Department of Community Health Sciences, School of Public Health, SUNY Downstate Health Sciences University, Brooklyn, New York, USA.
8. Department of Oral and Maxillofacial Surgery, Bluestone Center for Clinical Research, College of Dentistry, New York University, New York, New York, USA.
9. Department of Epidemiology, School of Population Health, University of California at Irvine, Irvine, California, USA.
10. Department of Medicine, University of North Carolina School of Medicine, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA.
11. Department of Sociomedical Sciences, Mailman School of Public Health, Lerner Center for Public Health Promotion, New York, New York, USA.
12. Department of Public Health Sciences, University of Miami Miller School of Medicine, Miami, Florida, USA.