About the Authors

Hoang Thuy Linh Nguyen

Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Project administration, Resources, Validation, Writing – original draft, Writing – review & editing

Affiliation Faculty of Public Health, Hue University of Medicine and Pharmacy, Hue University, Hue, Vietnam

Xuan Minh Tri Tran

Roles Formal analysis, Writing – original draft, Writing – review & editing

Affiliation Faculty of Public Health, Hue University of Medicine and Pharmacy, Hue University, Hue, Vietnam

Keiko Nakamura

Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Supervision, Writing – review & editing

nakamura.ith@tmd.ac.jp

Affiliation Department of Global Health Entrepreneurship, Institute of Science Tokyo (Science Tokyo), Tokyo, Japan

Kaoruko Seino

Roles Conceptualization, Methodology, Writing – review & editing

Affiliations Department of Global Health Entrepreneurship, Institute of Science Tokyo (Science Tokyo), Tokyo, Japan, National Institute of Public Health, Wako, Japan

Yuri Tashiro

Roles Validation, Writing – review & editing

Affiliation Department of Global Health Entrepreneurship, Institute of Science Tokyo (Science Tokyo), Tokyo, Japan

Ayano Miyashita

Roles Validation, Writing – review & editing

Affiliation Department of Global Health Entrepreneurship, Institute of Science Tokyo (Science Tokyo), Tokyo, Japan

Tae Igarashi-Yokoi

Roles Validation, Writing – review & editing

Affiliation Department of Ophthalmology and Visual Science, Institute of Science Tokyo (Science Tokyo), Tokyo, Japan

Van Thang Vo

Roles Supervision, Validation, Writing – review & editing

Affiliation Faculty of Public Health, Hue University of Medicine and Pharmacy, Hue University, Hue, Vietnam

Kyoko Ohno-Matsui

Roles Conceptualization, Supervision, Validation, Writing – review & editing

Affiliation Department of Ophthalmology and Visual Science, Institute of Science Tokyo (Science Tokyo), Tokyo, Japan

Competing Interests

Authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest. This does not alter our adherence to PLOS ONE policies on sharing data and materials.