Wilhelms, Susanne B.
Wilhelms, Daniel B.
Funding for this research was provided by:
Linköping University
Article History
Received: 20 December 2021
Accepted: 12 April 2022
First Online: 21 April 2022
Declarations
:
: The study protocol was approved by the Regional Ethical Review Committee in Linköping, Sweden (Chairperson Gunilla Robertsson) on 18 April 2018 (2018/177–31) and a supplement to the study protocol (regarding specific analyses of airway management procedures) was approved by the Swedish Ethical Review Authority (Chairperson Gunilla Robertsson, address: Etikprövningsnämnden, Box 2110, 750 02 Uppsala) on 21 November 2021 (2021–05648-02). The Regional Ethical Review Committee in Linköping and the Swedish Ethical Review Authority waived the need of Informed Consent. All methods were performed in accordance with the Declaration of Helsinki and relevant Swedish regulations.
: Not applicable.
: The authors declare that they have no competing interests.