Affiliation: | 1.Graduate School of Health Sciences, Hokkaido University, North-12 West-5, Kita-ku, Sapporo, 060-0812, Japan ;2.Faculty of Health Sciences, Hokkaido University, North-12 West-5, Kita-ku, Sapporo, 060-0812, Japan ;3.Graduate School of Medicine, Hokkaido University, North-15 West-7, Kita-ku, Sapporo, 060-8638, Japan ;4.Department of Rheumatology, Sapporo Medical Center NTT EC, South-1 West-15, Chuo-ku, Sapporo, 060-0061, Japan ;5.Division of Rheumatology, Endocrinology and Nephrology, Graduate School of Medicine, Hokkaido University, Kita-15, Nishi-7, Kita-ku, Sapporo, 060-8638, Japan ;6.Department of Health Sciences, Hokkaido University, North-12 West-5, Kita-ku, Sapporo, 060-0812, Japan ;7.Department of Radiology, Sapporo Medical Center NTT EC, South-1 West-15, Chuo-ku, Sapporo, 060-0061, Japan ;8.Sapporo Medical Center NTT EC, South-1 West-15, Chuo-ku, Sapporo, 060-0061, Japan ; |