Article History
Received: 14 September 2020
Accepted: 10 September 2021
First Online: 26 September 2021
Declarations
:
: According to Dutch law (i.e., the Medical Research Involving Human Subjects Act (WMO)), internet-based surveys among healthy volunteers do not require formal medical ethical approval (ExternalRef removed). However, all procedures performed in this study were in accordance with the ethical standard of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.Written informed consent was obtained from all adolescents included in the study and their parents.The Praeventis Data Request Committee has assessed the request to send an invitation for participation in the study and has approved the request.
: Not applicable.
: The authors declare that they have no conflict of interest.