title: Oldies but goodies: The Defense Meteorological Satellite Program (DMSP) Operational Linescan System (OLS) data can be used with the data obtained before the year 2012.
authors.affiliation: a Department of Neurology , Korea University College of Medicine.
authors.forename: Yong Seo
authors.initials: YS
authors.lastname: Koo
authors.affiliation: b Department of Neurology , Seoul National University College of Medicine , Seoul , South Korea.
authors.forename: Ki-Young
authors.initials: KY
authors.lastname: Jung
mesh_terms: D000328:Adult; D000368:Aged; D002940:Circadian Rhythm; D015986:Confounding Factors, Epidemiologic; D016021:Epidemiologic Studies; D049674:History, 21st Century; D006801:Humans; D033181:Information Dissemination; D055904:Meteorology / Q000266:history* / Q000592:standards*; D008875:Middle Aged; D012189:Retrospective Studies; D063809:Satellite Imagery / Q000266:history* / Q000592:standards*; D066106:Seoul