Text and Data Mining valid from 2020-03-06
Received: 3 December 2019
Accepted: 12 February 2020
First Online: 6 March 2020
Ethics approval and consent to participate
: The research received ethical approval from the Ethics Committee of the Faculty of Medicine. The data were confidential. All procedures in the current study were performed according to the ethical standards of the institutional research committee.
: Not applicable.
: The authors declare that they have no competing interests.