1. Molecular and Genetic Epidemiology Laboratory, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
2. Both the authors contributed equally to this work.
3. Clinical Research Center for Allergy and Rheumatology, National Hospital Organization Sagamihara National Hospital, Sagamihara, Japan
4. Department of Rheumatology, National Hospital Organization Tokyo National Hospital, Kiyose, Japan
5. Business Department, Miraca Research Institute G.K., Sagamihara, Japan
6. Research Department, Miraca Research Institute G.K., Hachioji, Japan
7. Department of Anatomy and Embryology, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
8. Laborarory Animal Resource Center, University of Tsukuba, Tsukuba, Japan
9. Department of Clinical Laboratory, National Hospital Organization Mito Medical Center, Ibaraki, Japan