1. Department of Medicine; David Geffen School of Medicine at the University of California at Los Angeles; Los Angeles CA USA
2. Department of Epidemiology and Environmental Health; State University of New York at Buffalo; Buffalo NY USA
3. Department of Epidemiology; University of Pittsburgh, Graduate School of Public Health; Pittsburgh PA USA
4. Department of Ophthalmology and Visual Sciences; University of Michigan; Ann Arbor MI USA
5. Department of Clinical Immunology and Rheumatology; University of Alabama at Birmingham; Birmingham AL USA
6. Department of Epidemiology; University of Alabama at Birmingham; Birmingham Alabama USA
7. Division of Preventive and Behavioral Medicine; University of Massachusetts Medical School; Worcester MA USA
8. Department of Medicine, Endocrine, Diabetes and Hypertension Division; Brigham and Women's Hospital, Harvard Medical School; Boston MA USA