Funding for this research was provided by:
Chair of Excellence Forest Resources and Wood Uses (NA15-298)
Ministry of Education, Youth and Sports of the Czech Republic (LTC 17030)
Text and Data Mining valid from 2018-08-10
Received: 19 December 2017
Accepted: 31 May 2018
First Online: 10 August 2018
Ethics approval and consent to participate
: Not applicable.
: The authors declare that they have no conflict of interest.
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