Hüning, Britta
Storbeck, Tobias http://orcid.org/0000-0002-3875-8023
Bruns, Nora
Dransfeld, Frauke
Hobrecht, Julia
Karpienski, Julia
Sirin, Selma
Schweiger, Bernd
Weiss, Christel
Felderhoff-Müser, Ursula
Müller, Hanna
Article History
Received: 8 January 2018
Revised: 30 April 2018
Accepted: 2 May 2018
First Online: 22 May 2018
Compliance with ethical standards
: The study was approved by the local ethics committee and in accordance with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: The authors declare that they have no conflict of interest. No funds were received for this study.