Jahn, Klaus http://orcid.org/0000-0002-1669-3652
Saul, Ann Kathrin
Elstner, Matthias
Sapa, Katrin
Kellerer, Silvy
Funding for this research was provided by:
Bundesministerium für Bildung und Forschung (01EO1401)
Article History
Received: 31 January 2018
Revised: 23 April 2018
Accepted: 24 April 2018
First Online: 3 May 2018
Compliance with ethical standards
:
: The authors declare that they have no competing interests to report.