1. Massachusetts Veterans Epidemiology Research and Information Center
(MAVERIC), VA Cooperative Studies Program, VA Boston Healthcare System, Boston, MA,
USA
2. Department of Epidemiology, Boston University School of Public Health,
Boston, MA, USA
3. Department of Medicine, Boston University School of Medicine, Boston,
MA, USA
4. Center for Surgery and Public Health at Brigham and Women’s Hospital,
Harvard Medical School, Boston, MA, USA
5. Section of General Internal Medicine, Boston Medical Center, Boston, MA,
USA
6. Department of Biostatistics, Boston University School of Public Health,
Boston, MA, USA
7. Department of Medicine, Brigham and Women’s Hospital, Boston, MA,
USA
8. Department of Medicine, Harvard Medical School, Boston, MA, USA
9. Division of Rheumatology, Immunology, and Allergy, Brigham and Women’s
Hospital, Boston, MA, USA
10. Health Research and Policy, Stanford University, Palo Alto, CA,
USA
11. Department of Statistics, Stanford University, Palo Alto, CA, USA