From the *University of Michigan, Ann Arbor, MI;
†University of California, San Diego, La Jolla, CA;
‡St Jude Heritage Medical Group, Fullerton, CA;
§Rheumatology Associates, PC, Indianapolis, IN;
∥North Shore University Health System, Evanston, IL;
¶Arthritis Consultants, Vista, CA;
#Orthopedics and Rheumatology of the North Shore, Skokie, IL;
**Torrance Memorial Medical Center, Torrance, CA; and
††University of California, Los Angeles, CA.
The authors declare no conflict of interest.
Correspondence: Kenneth C. Kalunian, MD, University of California, San Diego, 9452 Medical Center Dr, La Jolla, CA 92037. E-mail: firstname.lastname@example.org.