Article History
Received: 20 May 2021
Accepted: 16 September 2021
First Online: 8 October 2021
Compliance with Ethical Standards
:
: The authors declare no competing interests.
: The Dutch data collection for ICCS was approved the ethics committee of the University of Amsterdam (reference: 2014-CDE-3765).
: Informed consent was obtained from students, and parents provided (passive) consent for students to take part in the study.