Affiliation: | a Division of Clinical Immunology, Doctoral Programs in Clinical Sciences, Graduate School Comprehensive Human Science, University of Tsukuba, 1-1-1 Tenodai, Tsukuba City, Ibaraki 305-8575, Japan;b Department of Pathology, Harvard Medical School, Boston, MA 02115, USA;c Research Fellow of the Japan Society for the Promotion of Science, Tokyo, Japan;d Department of Clinical Research and General Medicine, Tokyo-Nishi Tokushukai Hospital, Tokyo, Japan |