Choi, Jang-Sik
Ha, My Kieu
Trinh, Tung Xuan
Yoon, Tae Hyun http://orcid.org/0000-0002-2743-6360
Byun, Hyung-Gi http://orcid.org/0000-0003-3773-3294
Article History
Received: 30 November 2017
Accepted: 4 April 2018
First Online: 17 April 2018
Competing Interests
: The authors declare no competing interests.