Text and Data Mining valid from 2019-11-25
First Online: 25 November 2019
Compliance with Ethical Standards
: The author declared no conflict of interest.
: In order to carry out the study, written permission was received from the Institutional Review Board for Non-Interventional Clinical Studies (IRB No:10. ExternalRef removed). Informed verbal consent was obtained from the students.
: Study design, data collection, data analysis and manuscript preparation were implemented by JGY.