Hellwig, Lia
Brada, Muriel http://orcid.org/0000-0002-4078-0502
Held, Ulrike
Hagmann, Cornelia
Bode, Peter
Frontzek, Karl http://orcid.org/0000-0002-0945-8857
Frey, Bernhard
Brotschi, Barbara
Grass, Beate http://orcid.org/0000-0002-4965-2814
Article History
Received: 26 July 2021
Revised: 6 January 2022
Accepted: 11 February 2022
First Online: 28 February 2022
Competing interests
: The authors declare no competing interests.
: Data collection, evaluation and publication for this study was approved by the Swiss ethical committee of the Canton on Zurich (KEK-ZH Number 2020-00102). Informed consent was obtained from all subjects. Informed consent was a pre-requisite for obtaining ethics approval for this study.