1. Department of Diagnostic Pathology, University of Toyama, Toyama, Japan.
2. Department of Japanese Oriental Medicine, University of Toyama, Toyama, Japan.
3. Institute for Animal Reproduction, Ibaraki, Japan.
4. Research Institute of Pharmaceutical Sciences, Musashino University, Tokyo, Japan.
5. Division of Rheumatology, Allergy and Clinical Immunology, University of California, Davis, California, USA.
6. Division of Rheumatology and Clinical Immunology, Humanitas Research Hospital, Rozzano, Milan, Italy.