Funding for this research was provided by:
Országos Tudományos Kutatási Alapprogramok (K 108974)
Seventh Framework Programme (294332)
Horizon 2020 Framework Programme (648693)
GINOP (2.3.2-15-2016-00057)
Article History
Received: 4 January 2018
Accepted: 13 April 2018
First Online: 15 May 2018
Ethics approval and consent to participate
: Not applicable.
: The authors declare that they have no competing interests.
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