Andresen, Åke Erling L. http://orcid.org/0000-0002-5445-0096
Kramer-Johansen, Jo http://orcid.org/0000-0002-7881-1757
Kristiansen, Thomas
Funding for this research was provided by:
Stiftelsen Norsk Luftambulanse
Article History
Received: 26 January 2022
Accepted: 5 April 2022
First Online: 9 April 2022
Declarations
:
: The Regional Committee for Medical Research South East Norway exempted this study from formal ethical approval (2017/866); and data handling was in accordance with the local Data Protection Officer at Vestre Viken Health Trust (16/00117-65).All participants were willing to be video-filmed and signed an informed consent form.All methods were performed in accordance with the relevant guidelines and regulations.
: Not applicable.
: The authors declare that they have no competing interests.