Funding for this research was provided by:
Text and Data Mining valid from 2019-08-13
Received: 29 June 2018
Accepted: 5 August 2019
First Online: 13 August 2019
Ethics approval and consent to participate
: Ethical clearance to conduct this study was sought from the Excellency in Research Ethics and Science (ERES) committee.
: Written informed consent for the publication was obtained from the participants.
: The authors declare that they have no competing interests.