Funding for this research was provided by:
Received: 10 May 2021
Accepted: 19 October 2021
First Online: 3 November 2021
: The Regional Ethical Review Board in Lund, Sweden approved this study (Reg. No. 2016/310), which was performed in accordance with relevant guidelines and regulations (WMA Declaration of Helsinki and Swedish Law [Lag (2003:460) om etikprövning som avser människor ExternalRef removed]). Children younger than 15 years were asked for their assent and their guardian’s written informed consent, and children older than 15 years were asked for their consent as well as their guardian’s written informed consent. PNs were asked for their written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.