Bollmann, Stella
Groll, Andreas
Havranek, Michael M.
Article History
Received: 19 March 2023
Accepted: 25 October 2023
First Online: 25 November 2023
Declarations
:
: This study was conducted according to the principles of the Declaration of Helsinki. It is based on retrospective, de-identified, and anonymised data. According to Swiss law, the study is therefore exempted from ethical approval and informed consent. Article 2.2 of the Federal Act on Research involving Human Beings () states that fully anonymised data are not covered by the Human Research Act in Switzerland.
: Not applicable.
: The authors declare no competing interests.