Funding for this research was provided by:
ELKE grant (K.A. 4373, K.A. 3330)
Text and Data Mining valid from 2019-04-12
Received: 26 December 2018
Accepted: 20 March 2019
First Online: 12 April 2019
Compliance with ethical standards
: The authors declare that they have no conflicts of interest.
: This work was supported by ELKE grant K.A. 4373 (George Liapakis) and ELKE grant K.A. 3330 (Andrew Margioris).