Funding for this research was provided by:
GS Elektromedizinische Geräte G. Stemple GmbH
Universitätsklinikum Schleswig-Holstein - Campus Kiel
Received: 4 September 2020
Accepted: 11 February 2021
First Online: 25 February 2021
Ethics approval and consent to participate
: The study was approved by the ethics committee of the University of Kiel (Ref. no.: D 422/19) and the scientific advisory board of the German Resuscitation Registry (Ref. no.: 2020_03).
: Not applicable.
: SS, JW and JTG are members of the steering committee of the German Resuscitation Registry. JTG receives grants from the German Resuscitation Registry and GS Elektromedizinische Geräte G. Stemple GmbH for the Institute for Emergency medicine for the study management. SD and MH are employees of the GS Elektromedizinische Geräte G. Stemple GmbH. All other authors have nothing to disclose.