Karmen, Christian
Gietzelt, Matthias
Knaup-Gregori, Petra
Ganzinger, Matthias https://orcid.org/0000-0002-2716-5425
Funding for this research was provided by:
Bundesministerium für Bildung und Forschung (01ZX1609A, 16PGF0168)
Article History
Received: 7 March 2019
Accepted: 11 September 2019
First Online: 21 October 2019
Ethics approval and consent to participate
: Not applicable.
: Not applicable.
: The authors declare that they have no competing interests.