Funding for this research was provided by:
Leibniz Society, Germany ([SAW-2012-IPN-2])
Article History
Received: 3 February 2018
Accepted: 5 June 2018
First Online: 6 July 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This study was carried out in accordance with the ethical guidelines for research with human participants as proposed by the American Psychological Association (APA).