Funding for this research was provided by:
Westfälische Wilhelms-Universität Münster
Received: 7 July 2022
Accepted: 29 August 2022
First Online: 17 September 2022
: This study was performed in line with the principles of the Declaration of Helsinki. Approval was granted by the Ethics Committee of the University of Muenster, Germany (registration number: 2020–319 f-S). Written informed consent was obtained from the parents or legal guardians, and all children included in the study gave their verbal assent.
: One author (RR) certifies the receipt of personal payments or benefits, during the study period, of an amount of less than USD 10,000 from Merete, Berlin, Germany. All the other authors have no relevant financial or non-financial interests to disclose.