Lehmann, Andreas http://orcid.org/0000-0002-5362-1711
Eccard, Jana A.
Scheffler, Christiane
Kurvers, Ralf H. J. M.
Dammhahn, Melanie
Funding for this research was provided by:
Volkswagen Foundation (Az. 89905)
Article History
Received: 30 November 2017
Revised: 5 January 2018
Accepted: 7 February 2018
First Online: 14 March 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This article does not contain any studies with human participants performed by any of the authors. The KiGGS survey was reviewed and approved by the responsible ethics committee at the University Hospital of the Charité of the Humboldt University in Berlin.