Harrer, Andreas
Szedlak, Rolf
Schwarz, Benedikt
Moser, Harald
Zederbauer, Tobias
MacFarland, Donald
Detz, Hermann
Andrews, Aaron Maxwell
Schrenk, Werner
Lendl, Bernhard
Strasser, Gottfried
Article History
Received: 12 November 2015
Accepted: 1 February 2016
First Online: 18 February 2016
Competing interests
: The authors declare no competing financial interests.