Struck, J. P.
Siegel, F.
Kramer, M. W.
Tsaur, I.
Heidenreich, A.
Haferkamp, A.
Merseburger, A. S.
Salem, J.
Borgmann, H.
Article History
Received: 25 October 2017
Accepted: 24 February 2018
First Online: 9 March 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were 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.
: Since public available data were analyzed, no special informed consent was obtained. All individual participants included in the analysis agreed to the terms and conditions of the different SoMe platforms.