Krause, M.
Mahr, C. V.
Schob, S.
Nestler, U.
Wachowiak, R.
Article History
Received: 20 March 2019
Accepted: 28 April 2019
First Online: 20 May 2019
Compliance with ethical standards
:
: The authors declare no conflict of interest.
: The study has been evaluated by the local ethics committee and the data analysis was approved (Ethikkommission Universität Leipzig Az 182-16/ek25042016).