Funding for this research was provided by:
Austrian Science Fund (P30918-B27)
Received: 14 April 2020
Accepted: 8 November 2020
First Online: 2 December 2020
Ethics approval and consent to participate
: Ethical approval was sought at the Institutional Review Board of the Medical University of Vienna (number: 1013/2019). Written informed consent was obtained prior to the start of the focus groups and parents’ consent was additionally obtained for minors.
: By signing the informed consent sheet, the study participants also gave consent to publish the findings in anonymized form without giving away personal information.
: The authors declare that they have no competing interests.