Maurer, Jenny
Meyrose, Ann-Katrin
Kaman, Anne
Mauz, Elvira
Ravens-Sieberer, Ulrike
Reiss, Franziska
Funding for this research was provided by:
Universitätsklinikum Hamburg-Eppendorf (UKE)
Article History
Accepted: 4 August 2023
First Online: 26 August 2023
Declarations
:
: The authors declare no competing interests.
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. This article does not contain any studies with animals performed by any of the authors. For the BELLA study, approvals by the Ethics Committee of the Hamburg Medical Association and the Federal Commissioner for Data Protection and Freedom of Information were obtained.
: Before participation in the BELLA study, written informed consent was given by the parents for themselves and their underage children and from the adolescents from the age of 14.