Funding for this research was provided by:
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung (100014_182120/1)
Received: 28 May 2020
Accepted: 23 September 2020
First Online: 9 October 2020
Ethics approval and consent to participate
: Ethical approval for the study protocol of this study was provided by the Cantonal Ethics Committee Zurich, Health Department, Switzerland, reference number: KEK-ZH-Nr. 2018–02357. Approved written informed consent forms will be obtained from each study participant.
: Not applicable.
: The authors declare that they have no competing interests.