Funding for this research was provided by:
Javna Agencija za Raziskovalno Dejavnost RS (P2-0103)
Seventh Framework Programme (FP7-ICT-612944)
H2020 Future and Emerging Technologies (720270)
Article History
Received: 3 July 2016
Revised: 4 January 2017
Accepted: 18 April 2017
First Online: 28 April 2017