[1] Oregon Hlth & Sci Univ, Portland, OR 97201 USA
[2] Ochsner Med Ctr, Baton Rouge, LA USA
[3] Harvard Med Sch, Brigham & Womens Hosp, Div Rheumatol Immunol & Allergy, Boston, MA USA
[4] Keio Univ, Dept Internal Med, Div Rheumatol, Sch Med, Tokyo, Japan
[5] Eli Lilly & Co, Indianapolis, IN 46285 USA
[6] Metroplex Clin Res Ctr, Dallas, TX USA
[7] Univ Texas Southwestern Med Ctr Dallas, Dallas, TX 75390 USA