Wang, Yi
Zhang, Hao
Chae, Kum Ju
Choi, Younhee
Jin, Gong Yong
Ko, Seok-Bum http://orcid.org/0000-0002-9287-317X
Article History
Received: 1 March 2019
Revised: 7 January 2020
Accepted: 21 January 2020
First Online: 3 February 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.