Lang, Katrin http://orcid.org/0000-0002-0331-0173
Liel, Christoph
Lux, Ulrike
Kindler, Heinz
Vierhaus, Marc
Eickhorst, Andreas
Funding for this research was provided by:
Deutsches Jugendinstitut e.V.
Article History
Accepted: 26 January 2021
First Online: 17 March 2021
Declarations
:
: The authors declare that they have no conflict of interest.
: The KiD 0-3 in-depth study was conducted in accordance with the ethical standards of the national research committee and with the 1964 Helsinki declaration and its later amendments.
: Informed consent was obtained from all individual participants included in the study.