Nyirö, Luana
Potthoff, Tobias
Siegenthaler, Mette Hobaek
Riner, Fabienne
Schweinhardt, Petra
Wirth, Brigitte
Article History
Received: 13 December 2020
Accepted: 18 July 2021
First Online: 24 August 2021
Declarations
:
: The study was conducted in accordance with the Declaration of Helsinki. It was approved by the ethics commission of the Canton of Zürich, Switzerland (BASEC-Nr 2016_00568) and was registered at ClinicalTrials.gov (NCT02955 342). According to Swiss law, the parents or legal guardians of all participants had to give written informed consent. Children and adolescents between 10 and 14 years received written information adapted to their age and gave oral informed consent for study participation. Adolescents older than 14 years (from the 14th birthday onwards) received the same information as their parents or legal guardians and gave written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.