1. Departments of Dermatology (T.K., H.T., N.K., S.K.), Kyoto Prefectural University of Medicine Graduate School of Medical Science, Kyoto 602-5586, Japan
2. Anatomy and Neurobiology (T.K., K.-I.M., M.K.), Kyoto Prefectural University of Medicine Graduate School of Medical Science, Kyoto 602-5586, Japan
3. Department of Regenerative Dermatology (S.In., S.It.), Graduate School of Medicine, Osaka University, Osaka 565-0871, Japan