Funding for this research was provided by:
University of Innsbruck and Medical University of Innsbruck
Text and Data Mining valid from 2019-04-03
Received: 14 January 2019
Accepted: 16 March 2019
First Online: 3 April 2019
Conflict of interest
: B. Cardini, F. Primavesi, M. Maglione, J. Oberschmied, L. Guschlbauer, S. Gasteiger, S. Kuscher, T. Resch, R. Oberhuber, C. Margreiter, S. Schneeberger, D. Öfner and S. Stättner declare that they have no competing interests.