About the Authors

Toshie Manabe

manabe@dcc.go.jp

Affiliation National Center for Global Health and Medicine, Tokyo, Japan

Tran Thuy Hanh

Affiliation Bach Mai Hospital, Hanoi, Vietnam

Doan Manh Lam

Affiliation Bac Kan General Provincial Hospital, Bac Kan Province, Vietnam

Do Thi Hong Van

Affiliation Bac Kan General Provincial Hospital, Bac Kan Province, Vietnam

Pham Thi Phuong Thuy

Affiliation NCGM-BMH Medical Collaboration Center, Hanoi, Vietnam

Dinh Thi Thanh Huyen

Affiliation NCGM-BMH Medical Collaboration Center, Hanoi, Vietnam

Tran Thi Mai Phuong

Affiliation NCGM-BMH Medical Collaboration Center, Hanoi, Vietnam

Dang Hung Minh

Affiliation Bach Mai Hospital, Hanoi, Vietnam

Jin Takasaki

Affiliation National Center for Global Health and Medicine, Tokyo, Japan

Ngo Quy Chau

Affiliation Bach Mai Hospital, Hanoi, Vietnam

Ly Quoc Toan

Affiliation Bac Kan General Provincial Hospital, Bac Kan Province, Vietnam

Koichiro Kudo

Affiliation National Center for Global Health and Medicine, Tokyo, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Performed the experiments: TM TTH DML DTHV PTPT DTTH TTMP DHM JT NQC LQT KK. Analyzed the data: TM KK. Wrote the paper: TM.