Funding for this research was provided by:
European Social Fund
European Regional Development Fund—Project MAGNET (CZ.02.1.01/0.0/0.0/15_003/0000492)
Article History
Received: 19 February 2017
Revised: 22 May 2017
Accepted: 23 May 2017
First Online: 12 June 2017
Conflict of interest
: The authors declare that they have no conflict of interest.