Text and Data Mining valid from 2019-05-28
Received: 17 January 2019
Accepted: 13 May 2019
First Online: 28 May 2019
Ethics approval and consent to participate
: The study was approved by the institutional review board of Ewha Womans University (Number: 138–7). Verbal consent was obtained from each participant prior to administration of the surveys. Student participation was voluntary and they were free to decline to participate at any time. The study was anonymous and did not have any impact on student grades.
: Not applicable.
: The authors declare that they have no competing interests.
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