title: Impact factor for 2013.
authors.affiliation: Chief Editor, Western Hemisphere.
authors.forename: C Warren
authors.initials: CW
authors.lastname: Olanow
authors.forename: Jose A
authors.initials: JA
authors.lastname: Obeso
mesh_terms: D049674:History, 21st Century; D006801:Humans; D055811:Journal Impact Factor / Q000266:history*; D009069:Movement Disorders; D011643:Publishing