From the ∗Department of Medicine, Dwight D. Eisenhower Army Medical Center, Fort Gordon, GA

†Rheumatology Service, Walter Reed National Military Medical Center, Bethesda, MD

‡Rheumatology Service, Dwight D. Eisenhower Army Medical Center, Fort Gordon, GA.

The views expressed herein are those of the authors and do not reflect the official policy or position of Eisenhower Army Medical Center, the US Army Medical Department, the US Army Office of the Surgeon General, the Defense Health Agency, the Department of the Army or the Department of Defense, or the US Government. The authors are employees of the US government. This work was prepared as part of their official duties, and as such, there is no copyright to be transferred. Data sets are not available for public review.

This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors.

The authors declare no conflict of interest.

Correspondence: Ian M. Ward, MD, FACP, FACR, RhMSUS, Rheumatology Service, Dwight D. Eisenhower Army Medical Center, 300 East Hospital Rd, Fort Gordon, GA 30905. E-mail: [email protected];[email protected]; [email protected].