Funding for this research was provided by:
Polish National Research Council (NCN 2016/23/D/NZ9/01401)
Military Institute of Medicine (419)
Text and Data Mining valid from 2019-10-11
Received: 2 April 2019
Accepted: 30 September 2019
First Online: 11 October 2019
: The authors declare that they have no competing interests.