Text and Data Mining valid from 2019-01-02
Received: 21 August 2018
Accepted: 24 December 2018
First Online: 2 January 2019
Compliance with ethical standards
: All authors of this manuscript, Kerem Ozturk, Mehmet Gencturk, Emiro Caicedo-Granados, Faqian Li, Zuzan Cayci declare that they have no conflict of interest.
: All procedures performed were in accordance with the ethical standards of the institutional research committee and with the 1983 revised Helsinki declaration and its later amendments or comparable ethical standards.