Choi, You Young http://orcid.org/0000-0002-3417-8099
Lee, Shin Ja http://orcid.org/0000-0002-4224-1211
Lee, Ye Jun http://orcid.org/0000-0003-1221-4383
Kim, Hyun Sang http://orcid.org/0000-0002-3422-1990
Eom, Jun Sik http://orcid.org/0000-0001-5360-0147
Jo, Seong Uk http://orcid.org/0000-0001-7901-0428
Lee, Sung Sill http://orcid.org/0000-0002-4621-4333
Funding for this research was provided by:
National Research Foundation of Korea (NRF-2015R1A6A1A03031413)
Article History
Received: 18 July 2019
Revised: 27 August 2019
Accepted: 27 August 2019
First Online: 11 September 2019
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.