Schwarz, Christoph
Kaczirek, Klaus
Bodingbauer, Martin
Funding for this research was provided by:
Medical University of Vienna
Article History
Received: 11 January 2018
Accepted: 9 April 2018
First Online: 25 April 2018
Conflict of interest
: C. Schwarz, K. Kaczirek, and M. Bodingbauer MD declare that they have no competing interests.