Keller, Wiebke
Vogel, Mandy
Prenzel, Freerk
Genuneit, Jon
Jurkutat, Anne
Hilbert, Cornelia
Hiemisch, Andreas
Kiess, Wieland
Poulain, Tanja
Funding for this research was provided by:
Universität Leipzig
Article History
Received: 17 November 2020
Accepted: 5 April 2021
First Online: 23 April 2021
Declarations
:
: The study was designed under the supervision of the Ethics Committee of the University of Leipzig (Reg. No. 264/10-ek). The study was performed in accordance with the ethical standards as laid down in the 1964 Declaration of Helsinki and its later amendments. All participants were informed about the study program and the long-term use of data. Informed written consent was obtained from parents of all participants.
: Not applicable.
: The authors declare that they have no competing interests.