Funding for this research was provided by:
Deutsche Forschungsgemeinschaft (SCHM 1526/13-1, EN 361/12-1).)
Text and Data Mining valid from 2019-03-05
Received: 25 October 2018
Accepted: 5 February 2019
First Online: 5 March 2019
Ethics approval and consent to participate
: This study has been approved by the Ethics Committee of the Medical Faculty Mannheim of Heidelberg University in 2011 as well as by the Psychology Ethics Committee of Leiden University in 2016 (CEP16-1219/381). All participants were informed about the background of the study and provided informed consent, study participation could be terminated at any time point without negative consequences.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.