Nguyen, Co Thach
Moi, Meng Ling
Le, Thi Quynh Mai
Nguyen, Thi Thu Thuy
Vu, Thi Bich Hau
Nguyen, Hai Tuan
Pham, Thi Thu Hang
Le, Thi Hien Thu
Nguyen, Le Manh Hung
Phu Ly, Minh Huong
Ng, Chris Fook Sheng
Takemura, Taichiro
Morita, Kouichi
Hasebe, Futoshi
Funding for this research was provided by:
Japan Agency for Medical Research and Development (JP19fm0108001, 19jm0210047h0004, 19fk0108109h0001)
Japan Agency for Medical Research and Development (JP20wm0125006)
Article History
Received: 5 February 2020
Accepted: 16 April 2020
First Online: 11 May 2020
Ethics approval and consent to participate
: Ethics approval for this study was obtained from the ethics committee of the National Institute of Hygiene and Epidemiology, Ministry of Health, Vietnam (IRB-VN01057–45/2016) and the Ethics Committee of the Institute of Tropical Medicine, Nagasaki University, Japan (08061924–7). The study obtained written consent from the study participants and the parents of participants under 16 years of age after the objectives and the procedures was explained accordingly.
: Not applicable.
: The authors declare that they have no competing interests.