Dalpiaz, Orietta
Luef, Theresa
Seles, Maximilian
Stotz, Michael
Stojakovic, Tatjana
Pummer, Karl
Zigeuner, Richard
Hutterer, Georg C
Pichler, Martin
Article History
Received: 21 July 2016
Revised: 9 October 2016
Accepted: 3 November 2016
First Online: 1 December 2016
Competing interests
: The authors declare no conflict of interest.