Funding for this research was provided by:
Received: 25 November 2021
Accepted: 22 June 2022
First Online: 7 July 2022
: The BHIS 2018 has been approved by the Privacy Commission and the Ethical Committee of the University Hospital of Ghent. Informed consent was obtained from all individual participants included in the BHIS. Written informed consent was obtained from a parent or guardian for participants ≤ 16 years.
: Not applicable.
: The authors declare that they have no competing interests.