Bui, Dang Duy http://orcid.org/0000-0002-2700-1762
Ogata, Kazuhiro http://orcid.org/0000-0002-4441-3259
Article History
Received: 20 June 2020
Revised: 10 February 2021
Accepted: 30 April 2021
First Online: 26 May 2021
<!--Emphasis Type='Bold' removed-->Competing interests
: The authors declare that they have no conflict of interest.