1. 1. Tanabe N, Toyoshima H, Hayashi S, et al. Epidemiology of sudden death in Japan. JPN J Electrocardiol. 2006;26:111-117. （in Japanese）.
2. 2. Fire and Disaster Management Agency of the Ministry of Internal Affairs and Communications. Reiwa 3 nemban kyukyukyujo no genkyo. （Internet）. 2021. （accessed 2023 June 29）. Available from: https://www.fdma.go.jp/publication/rescue/post-3.html
3. 3. WHO Scientific Group on Sudden Cardiac Death, World Health Organization Sudden Cardiac Death: Report of a WHO Scientific Group. World Health Organ Tech Rep Ser. 1985;726:5-25.
4. 4. Ministry of Health, Labour and Welfare. Vital Statistics.（Internet）（accessed 2023 May 9）. Available from: https://www.mhlw.go.jp/toukei/list/81-1a.html
5. 5. Kitamura A, Sato S, Kiyama M, et al. Trends in the incidence of coronary heart disease and stroke and their risk factors in Japan, 1964 to 2003: The Akita-Osaka Study. J Am Coll Cardiol. 2008;52:71-79.