Hjollund, Niels Henrik I. http://orcid.org/0000-0002-6697-6597
Larsen, Louise Pape
de Thurah, Annette Ladefoged
Grove, Birgith Engelst
Skuladottir, Halla
Linnet, Hanne
Friis, Rasmus Blechingberg
Johnsen, Søren Paaske
May, Ole
Jensen, Annesofie Lunde
Hansen, Troels Krarup
Taarnhøj, Gry Assam
Tolstrup, Lærke Kjær
Pappot, Helle
Ivarsen, Per
Dørflinger, Liv
Jessen, Anne
Sørensen, Nanna Toxvig
Schougaard, Liv Marit Valen
team, The AmbuFlex
Article History
Accepted: 6 December 2022
First Online: 13 January 2023
Declarations
:
: The authors have no relevant financial or non-financial interests to disclose.
: This study was performed in line with the principles of the Declaration of Helsinki. This is a meta-analysis. The Ethics Committee in Region Central Denmark has given approval to the included studies, which required an approval and has confirmed that no ethical approval was required for the other studies.
: This is a meta-analysis. No informed consent was needed.
: This is a meta-analysis. No informed consent to publish was needed.