A 5-year change of knowledge and willingness by sampled respondents to perform bystander cardiopulmonary resuscitation in a metropolitan city

• Sungbae Moon,

  Roles Formal analysis, Investigation, Methodology, Project administration, Visualization, Writing – original draft, Writing – review & editing

  Affiliation Department of Emergency Medicine, School of Medicine, Kyungpook National University, Daegu, Republic of Korea

  http://orcid.org/0000-0001-6928-8573

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• Hyun Wook Ryoo ,

  Roles Conceptualization, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Supervision, Visualization, Writing – original draft, Writing – review & editing

  * E-mail: ryoo@knu.ac.kr

  Affiliation Department of Emergency Medicine, School of Medicine, Kyungpook National University, Daegu, Republic of Korea

  http://orcid.org/0000-0002-1361-9887

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• Jae Yun Ahn,

  Roles Conceptualization, Investigation, Methodology, Validation, Writing – original draft

  Affiliation Department of Emergency Medicine, School of Medicine, Kyungpook National University, Daegu, Republic of Korea

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• Jung Bae Park,

  Roles Funding acquisition, Project administration, Supervision, Validation

  Affiliation Department of Emergency Medicine, School of Medicine, Kyungpook National University, Daegu, Republic of Korea

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• Dong Eun Lee,

  Roles Formal analysis, Investigation, Visualization, Writing – original draft

  Affiliation Department of Emergency Medicine, School of Medicine, Kyungpook National University, Daegu, Republic of Korea

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• Jung Ho Kim,

  Roles Formal analysis, Methodology, Validation

  Affiliation Department of Emergency Medicine, College of Medicine, Yeungnam University, Daegu, Republic of Korea

  http://orcid.org/0000-0002-3215-4640

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• Sang-chan Jin,

  Roles Supervision, Validation

  Affiliation Department of Emergency Medicine, School of Medicine, Keimyung University, Daegu, Republic of Korea

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• Kyung Woo Lee

  Roles Methodology, Supervision

  Affiliation Department of Emergency Medicine, Daegu Catholic University Medical Center, Daegu, Republic of Korea

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