Text and Data Mining valid from 2019-12-01
Received: 17 September 2019
Accepted: 25 November 2019
First Online: 26 December 2019
Ethics approval and consent to participate
: This study is exempted from the approval of the Institutional Review Board (IRB) as it was conducted using the scientometric information collected from Scopus and did not involve any human subject.
: Not applicable.
: The authors declare that they have no competing interests.