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Megumi Toko
Department of Rheumatology, Hiroshima City Hospital, Japan Department of Neurology, Hiroshima University Hospital, Japan
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Hiroshi Oiwa
Department of Rheumatology, Hiroshima City Hospital, Japan
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Shoji Mihara
Department of Dermatology, Hiroshima University Hospital, Japan
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Eiji Sugiyama
Department of Clinical Immunology and Rheumatology, Hiroshima University Hospital, Japan