Takeshi Zoshima1, Hirofumi Okada2, Mitsuhiro Kawano3. 1. Department of Rheumatology, Kanazawa University Graduate School of Medical Sciences, 13-1 Takaramachi, Kanazawa, Ishikawa, 920-8641, Japan. takeshiz1983@yahoo.co.jp. 2. Department of Cardiovascular Medicine, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan. 3. Department of Rheumatology, Kanazawa University Graduate School of Medical Sciences, 13-1 Takaramachi, Kanazawa, Ishikawa, 920-8641, Japan.