Voglreiter, Philip
Mariappan, Panchatcharam
Pollari, Mika
Flanagan, Ronan
Blanco Sequeiros, Roberto
Portugaller, Rupert Horst
Fütterer, Jurgen
Schmalstieg, Dieter
Kolesnik, Marina
Moche, Michael
Article History
Received: 4 July 2017
Accepted: 8 December 2017
First Online: 15 January 2018
Competing Interests
: The authors declare that they have no competing interests.