Langjahr, Melissa
Schubert, Anna-Lena
Sommer, Claudia
Üçeyler, Nurcan
Article History
Received: 20 October 2017
Revised: 24 December 2017
Accepted: 10 January 2018
First Online: 25 January 2018
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.
: All human studies must state that they have been approved by the appropriate ethics committee and have therefore been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki.