Vi, Thi Xuan Thuy
Nguyen, Thi Ngoc Lan
Pham, Thi Thanh Nhan
Nguyen, Huu Quan
Nguyen, Thi Hai Yen
Tu, Quang Tan
Le, Van Son
Chu, Hoang Mau http://orcid.org/0000-0002-8260-6369
Article History
Received: 16 October 2018
Accepted: 31 January 2019
First Online: 23 February 2019
Compliance with ethical standards
:
: The authors declare that there are no conflicts of interest.
: This article does not contain any studies conducted on human.