Funding for this research was provided by:
Bilimsel Araştirma Projeleri Birimi, Istanbul Üniversitesi (UDP-56108., 14831)
Text and Data Mining valid from 2019-01-02
Received: 7 March 2018
Accepted: 3 November 2018
First Online: 2 January 2019
Compliance with ethical standards
: The authors declare that they have no conflict of interest.