Prokesch, A.
Pelzmann, H. J.
Pessentheiner, A. R.
Huber, K.
Madreiter-Sokolowski, C. T.
Drougard, A.
Schittmayer, M.
Kolb, D.
Magnes, C.
Trausinger, G.
Graier, W. F.
Birner-Gruenberger, R.
Pospisilik, J. A.
Bogner-Strauss, J. G.
Article History
Received: 7 December 2015
Accepted: 14 March 2016
First Online: 5 April 2016
Competing interests
: The authors declare no competing financial interests.