title: Light exposure patterns in healthy older and young adults.
authors.affiliation: Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA. kscheuermaier@rics.bwh.harvard.edu
authors.forename: Karine
authors.initials: K
authors.lastname: Scheuermaier
authors.forename: Alison M
authors.initials: AM
authors.lastname: Laffan
authors.forename: Jeanne F
authors.initials: JF
authors.lastname: Duffy