Vollbrecht, Claudia
Werner, Robert
Walter, Robert Fred Henry
Christoph, Daniel Christian
Heukamp, Lukas Carl
Peifer, Martin
Hirsch, Burkhard
Burbat, Lina
Mairinger, Thomas
Schmid, Kurt Werner
Wohlschlaeger, Jeremias
Mairinger, Fabian Dominik
Article History
Received: 6 August 2015
Revised: 14 October 2015
Accepted: 15 October 2015
First Online: 8 December 2015
Change Date: 22 December 2015
Change Type: Update
Change Details: This paper was modified 12 months after initial publication to switch to Creative Commons licence terms, as noted at publication
Competing interests
: The authors declare no conflict of interest.