Kim, Doyeon
Lim, Hyunjung
Article History
Received: 15 August 2019
Accepted: 3 June 2020
First Online: 16 June 2020
Ethics approval and consent to participate
: The present study protocol has been approved by the institutional review board (IRB) of Kyung Hee University, Seoul, South Korea (KHSIRB-12-013).
: Not applicable.
: The authors declare that they have no competing interests.