Willershausen, Ines
Schmidtmann, Irene
Azaripour, Adriano
Kledtke, Jane
Willershausen, Brita http://orcid.org/0000-0003-3563-687X
Hasenburg, Annette
Article History
Received: 29 October 2018
Accepted: 6 January 2019
First Online: 21 January 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures involving human participants were performed in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards.