Jang, Soong-nang http://orcid.org/0000-0003-2621-945X
Kawachi, Ichiro
Article History
Received: 3 December 2018
Accepted: 21 June 2019
First Online: 3 July 2019
Ethics approval and consent to participate
: The study design and protocol were reviewed and approved by the Chung-Ang University institutional review board (IRB No. 1041078–201708-HRSB-163-01).
: Not applicable.
: The authors declare that they have no competing interests.