Gfrerer, M. H. http://orcid.org/0000-0003-3469-4744
Schanz, M. http://orcid.org/0000-0002-6177-8751
Funding for this research was provided by:
Graz University of Technology
Article History
Received: 24 April 2018
Accepted: 23 November 2018
First Online: 4 December 2018