1 Department of Rheumatology, Ome Municipal General Hospital, Ome, Japan. noda.rheu@tmd.ac.jp.
2 Department of Rheumatology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), 1-5-45, Yushima, Bunkyo-ku, Tokyo, 113-8519, Japan. noda.rheu@tmd.ac.jp.
3 Department of Rheumatology, Ome Municipal General Hospital, Ome, Japan.
4 Department of Rheumatology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), 1-5-45, Yushima, Bunkyo-ku, Tokyo, 113-8519, Japan.
5 Department of Rheumatology, Soka Municipal Hospital, Soka, Japan.