Received: 14 May 2020
Accepted: 7 October 2020
First Online: 19 October 2020
Ethics approval and consent to participate
: Ethical approval for this study was granted by the Research Ethics Committee of the Christian-Albrechts University of Kiel, Germany (D520/19).
: Not applicable.
: Ingvild Tjelmeland: has nothing to disclose.Siobhan Masterson: has nothing to disclose.Johan Herlitz: has nothing to disclose.Jan Wnent: has no financial COI to be declared. Jan Wnent is member of the steering commitee of the German Resuscitation Registry and member of the EuReCa study managment team.Leo Bossaert: has nothing to disclose.Fernando Rossell Ortiz: has nothing to disclose.Kristin Alm-Kruse: has nothing to disclose.Berthold Bein: reports personal fees from Edwards Life Sciences, personal fees from CSL Behring, personal fees from Pharmacosmos, personal fees from Ferrer, personal fees from Cytosorbents, personal fees from TEVA Ratiopharm, outside the submitted work.Gisela Lilja: has nothing to disclose.Jan-Thorsten Gräsner: reports personal fees and other from Weinmann: Emergency, personal fees and other from Philips Medical, personal fees and other from Fresenius, personal fees from Bard, personal fees and other from Zoll, outside the submitted work.