Riesinger, Lisa http://orcid.org/0000-0003-3367-9470
Fichtner, S.
Schuhmann, C. G.
Estner, H. L.
Czermak, T.
Graw, M.
Fischer, F.
Lackermair, K.
Article History
Received: 15 May 2018
Accepted: 5 September 2018
First Online: 20 September 2018
Compliance with ethical standards
: Data collection and documentation was performed anonymously and with permission of the ethics committee of the Ludwig-Maximilians University.