Funding for this research was provided by:
Bozorgmehr University of Qaenat (39151)
Text and Data Mining valid from 2019-10-11
Received: 5 June 2019
Accepted: 24 September 2019
First Online: 11 October 2019
: The authors declare that there is no conflict of interests regarding the publication of this manuscript. The authors declare that they have no competing interests.