Affiliation: | (1) Department of Dermatology, The Institute of Clinical Medicine, University of Tsukuba, 1-1-1, Ten-nodai, 305 Tsukuba, Ibaraki, Japan;(2) Department of Immunology, Institute of Basic Medical Science, University of Tsukuba, 1-1-1, Ten-nodai, 305 Tsukuba, Ibaraki, Japan |