S. Otaka, H. Ohbe, R. Igeta, T. Chiba, S. Ikeda, and T. Shiga, “The Association between Physician Involvement During Pediatric Out-of- Hospital Cardiac Arrest and Patient Outcomes: a Japanese Nation-Wide Observational Study”, ccm, vol. 6, no. 5, pp. 424–431, Sep. 2022.