Langhof, Holger
Kahrass, Hannes
Illig, Thomas
Jahns, Roland
Strech, Daniel
Funding for this research was provided by:
Bundesministerium für Bildung und Forschung (Federal Ministry of Education and Research) (01GP1405, 01GP1405, 01GP1405)
Article History
Received: 27 February 2018
Revised: 2 July 2018
Accepted: 5 July 2018
First Online: 8 August 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.