title: QR code: use of a novel mobile application to improve performance and perception of CPR in public.
authors.forename: Je Sung
authors.initials: JS
authors.lastname: You
authors.forename: Hyun Soo
authors.initials: HS
authors.lastname: Chung
authors.forename: Sung Phil
authors.initials: SP
authors.lastname: Chung
authors.forename: Jong Woo
authors.initials: JW
authors.lastname: Park
authors.forename: Dae Gon
authors.initials: DG
authors.lastname: Son
mesh_terms: D016887:Cardiopulmonary Resuscitation / Q000379:methods*; D034201:Computers, Handheld; D039702:Current Procedural Terminology; D004630:Emergencies; D006323:Heart Arrest / Q000175:diagnosis / Q000628:therapy*; D006801:Humans; D063731:Mobile Applications; D011786:Quality Control; D017751:Safety Management; D012680:Sensitivity and Specificity; D013689:Telephone; D013997:Time Factors; D014741:Video Recording