Krauss, Sabrina
Medesan, Raluca
Black, Jaantje
Medved, Fabian
Schaefer, Ruth
Schaller, Hans-Eberhard
Daigeler, Adrien
Wahler, Theodora http://orcid.org/0000-0003-3014-1990
Article History
First Online: 18 February 2019
Compliance with Ethical Standards
: The study was approved by the ethics committee of the University of Tübingen (project number 711/2013BO2).
: The authors declare that they have no conflict of interest.
: This does not apply to the study. No identifying information is available in the article.