Toizumi, Michiko
Nguyen, Giang Thi Huong
Motomura, Hideki
Nguyen, Thanh Huu
Pham, Enga
Kaneko, Ken-ichi
Uematsu, Masafumi
Nguyen, Hien Anh Thi
Dang, Duc Anh
Hashizume, Masahiro
Yoshida, Lay-Myint
Moriuchi, Hiroyuki
Article History
Received: 16 November 2016
Accepted: 15 March 2017
First Online: 13 April 2017
Competing interests
: The authors declare no competing financial interests.