title: Special section on fluorescence molecular imaging honoring Prof. Roger Tsien, a pioneer in biomedical optics.
authors.affiliation: Institute for Biological and Medical Imaging, Helmholtz Zentrum München GmbH.
authors.forename: Vasilis
authors.initials: V
authors.lastname: Ntziachristos
authors.forename: Samuel
authors.initials: S
authors.lastname: Achilefu
authors.forename: Yingxiao Peter
authors.initials: YP
authors.lastname: Wang
authors.forename: Michael
authors.initials: M
authors.lastname: Lin
mesh_terms: D001671:Biochemistry / Q000379:methods*; D006801:Humans; D061848:Optical Imaging / Q000379:methods*; D055095:Optics and Photonics / Q000379:methods*