title: Preface.
authors.affiliation: School of Bioscience and Biotechnology, Tokyo University of Technology, Tokyo, Japan.
authors.forename: Hitoshi
authors.initials: H
authors.lastname: Masaki
authors.forename: Masamitsu
authors.initials: M
authors.lastname: Ichihashi
authors.forename: Akimichi
authors.initials: A
authors.lastname: Morita
mesh_terms: D006801:Humans; D007564:Japan; D015595:Skin Aging; D012958:Societies, Scientific