Sandhofer, Michael J.
Robak, Oliver
Frank, Herbert
Kulnig, Johannes
Article History
Received: 27 March 2016
Accepted: 19 July 2016
First Online: 26 August 2016
Compliance with ethical guidelines
:
: M. J. Sandhofer, O. Robak, H, Frank, and J. Kulnig declare that they have no competing interests.
: All studies on humans described in this manuscript were carried out with the approval of the responsible ethics committee and were in accordance with national law and the Helsinki Declaration of 1975 (in its current revised form). Informed consent was obtained from all participants included in the study.
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