Ha, Hao Huu
Nguyen, Trang Hong
Tran, Linh Huyen
Nguyen, Hanh Thi Hong
Hoang, Ha
Chu, Hoang Ha
Funding for this research was provided by:
Vietnam Academy of Science and Technology (433/QD-VHL)
Article History
Received: 22 April 2019
Accepted: 27 May 2019
First Online: 10 June 2019
Compliance with ethical standards
: This study was approved by the Ethical Committee of the Vietnam Academy of Science and Technology
: The authors declare that they have no conflict of interest.