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T. Nishikawa
the Department of Dermatology, Keio University School of Medicine
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S. Harada
the Department of Dermatology, Keio University School of Medicine
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H. Hatano
the Department of Dermatology, Keio University School of Medicine
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Y. Fukazawa
Department of Bacteriology, School of Medicine, Juntendo University
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T. Tsuchiya
Department of Bacteriology, School of Medicine, Juntendo University