[1] HSHS St Johns Hosp, Dept Internal Med, 800 E Carpenter St, Springfield, IL 62769 USA
[2] Mayo Clin Arizona, Dept Rheumatol, 13400 E Shea Blvd, Scottsdale, AZ 85259 USA
[3] Univ Kansas, Med Ctr, Dept Cardiol, 3901 Rainbow Blvd, Kansas City, KS 66160 USA
[4] Mayo Clin Hlth Syst, Dept Infect Dis, 1400 Bellinger St, Eau Claire, WI 54701 USA
[5] Mayo Clin Hlth Syst, Dept Rheumatol, 1400 Bellinger St, Eau Claire, WI 54701 USA