1. David Geffen School of Medicine; University of California; Los Angeles
2. VA Nebraska-Western Iowa Health Care System; and University of Nebraska Medical Center; Omaha
3. Boston University School of Medicine; Boston Massachusetts
4. Birmingham Veterans Affairs Medical Center; and University of Alabama at Birmingham
5. Harvard Vanguard Medical Association; Somerville Massachusetts
6. University of Michigan; and VA Ann Arbor Healthcare System; Ann Arbor Michigan
7. American College of Rheumatology; Atlanta Georgia
8. Yale University, New Haven, Connecticut; and West Haven Veterans Affairs Medical Center; West Haven Connecticut