About the Authors

Hirotomo Yamanashi

Affiliations Department of Clinical Medicine, Institute of Tropical Medicine, Nagasaki University Graduate School of Biomedical Sciences, Sakamoto, Nagasaki, Japan, Department of Island and Community Medicine, Nagasaki University Graduate School of Biomedical Sciences, Goto, Nagasaki, Japan

Mai Quang Ngoc

Affiliation Department of Geriatrics, Khanh Hoa Gerenral Hospital, Nha Trang, Khanh Hoa, Vietnam

Tran Van Huy

Affiliation Department of Geriatrics, Khanh Hoa Gerenral Hospital, Nha Trang, Khanh Hoa, Vietnam

Motoi Suzuki

Affiliation Department of Clinical Medicine, Institute of Tropical Medicine, Nagasaki University Graduate School of Biomedical Sciences, Sakamoto, Nagasaki, Japan

Akira Tsujino

Affiliation Department of Neurology and Strokology, University Graduate School of Biomedical Sciences, Sakamoto, Nagasaki, Japan

Michiko Toizumi

Affiliation Department of Pediatric Infectious Diseases, Institute of Tropical Medicine, Nagasaki University, Nagasaki, Japan

Kensuke Takahashi

Affiliation Department of Clinical Medicine, Institute of Tropical Medicine, Nagasaki University Graduate School of Biomedical Sciences, Sakamoto, Nagasaki, Japan

Vu Dinh Thiem

Affiliation National Institute of Hygiene and Epidemiology, Hanoi, Vietnam

Dang Duc Anh

Affiliation National Institute of Hygiene and Epidemiology, Hanoi, Vietnam

Nguyen Thi Hien Anh

Affiliation National Institute of Hygiene and Epidemiology, Hanoi, Vietnam

Le Huu Tho

Affiliation Khanh Hoa Health Service, Nha Trang, Khanh Hoa, Vietnam

Takahiro Maeda

Affiliations Department of Island and Community Medicine, Nagasaki University Graduate School of Biomedical Sciences, Goto, Nagasaki, Japan, Department of Community Medicine, Nagasaki University Graduate School of Biomedical Sciences, Sakamoto, Nagasaki, Japan

Sharon E. Cox

Affiliations Nagasaki University School of Tropical Medicine and Global Health, Sakamoto, Nagasaki, Japan, London School of Hygiene and Tropical Medicine, London, United Kingdom

Lay-Myint Yoshida

Affiliation Department of Pediatric Infectious Diseases, Institute of Tropical Medicine, Nagasaki University, Nagasaki, Japan

Koya Ariyoshi

kari@nagasaki-u.ac.jp

Affiliation Department of Clinical Medicine, Institute of Tropical Medicine, Nagasaki University Graduate School of Biomedical Sciences, Sakamoto, Nagasaki, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: HY MS AT KT LY KA. Formal analysis: HY MS AT KT SC LY KA. Funding acquisition: LY KA. Investigation: HY MN TH MS AT MT KT VT DA NA LT SC LY KA. Methodology: HY MS AT KT TM LY KA. Project administration: DA LY KA. Resources: HY MN TH MS AT MT KT VT DA NA LT SC LY KA. Visualization: HY MN TH MS AT MT KT VT DA NA LT TM SC LY KA. Writing - original draft: HY MS LY KA. Writing - review & editing: HY MN TH MS AT MT KT VT DA NA LT TM SC LY KA.