Funding for this research was provided by:
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung (182352)
Received: 25 March 2020
Accepted: 23 June 2020
First Online: 30 June 2020
Ethics approval and consent to participate
: The local ethical committee approved this study (Zurich Cantonal Ethics Commission, KEK 2018–02242) and all patients gave their written informed consent. Written informed consent was obtained from a parent for participants under 16 years old.
: All patients gave their written informed consent for the publication of this study.
: The authors declare that they have no competing interests.