About the Authors

Dang Duc Anh

Affiliation National Institute of Hygiene and Epidemiology (NIHE), Hanoi, Vietnam

Anna Lena Lopez

annalenalopez@hotmail.com

Current address: Pfizer, Wanchai, Hong Kong, Special Administrative Region, People's Republic of China

Affiliation International Vaccine Institute (IVI), Seoul, Republic of Korea

Vu Dinh Thiem

Affiliation National Institute of Hygiene and Epidemiology (NIHE), Hanoi, Vietnam

Shannon L. Grahek

Affiliation International Vaccine Institute (IVI), Seoul, Republic of Korea

Tran Nhu Duong

Affiliation National Institute of Hygiene and Epidemiology (NIHE), Hanoi, Vietnam

Jin Kyung Park

Affiliation International Vaccine Institute (IVI), Seoul, Republic of Korea

Hye Jung Kwon

Affiliation International Vaccine Institute (IVI), Seoul, Republic of Korea

Michael Favorov

Affiliation International Vaccine Institute (IVI), Seoul, Republic of Korea

Nguyen Tran Hien

Affiliation National Institute of Hygiene and Epidemiology (NIHE), Hanoi, Vietnam

John D. Clemens

Affiliation International Vaccine Institute (IVI), Seoul, Republic of Korea

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: ALL MF JDC DDA. Performed the experiments: DDA VDT TND NTH. Analyzed the data: ALL SLG JKP . Contributed reagents/materials/analysis tools: HJK JKP VDT DDA TND. Wrote the paper: SLG ALL JDC.