About the Authors

Jin-young Min

Affiliation Institute of Health and Environment, Seoul National University, Chongno-gu Yongeun-dong 28, Seoul, Republic of Korea

Kyung-jong Lee

Affiliation Department of Occupational and Environmental Medicine, Ajou University School of Medicine, Suwon, Republic of Korea

Jae-beom Park

Affiliation Department of Occupational and Environmental Medicine, Ajou University School of Medicine, Suwon, Republic of Korea

Sung-il Cho

Affiliation Department of Epidemiology, School of Public Health and Institute of Health and Environment, Seoul National University, Seoul, Republic of Korea

Shin-goo Park

Affiliation Department of Occupational and Environmental Medicine, Inha University Hospital, Incheon, Republic of Korea

Kyoungbok Min

mink1999@ajou.ac.kr

Affiliation Department of Occupational and Environmental Medicine, Ajou University School of Medicine, Suwon, Republic of Korea

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KM. Analyzed the data: JyM KjL JbP. Contributed reagents/materials/analysis tools: SiC SgP. Wrote the paper: JyM KM. Principle investigator, undertook data extraction and study design, and reviewed the final draft: KM. Wrote the first draft and analyzed the data: JyM. Reviewed the data analysis and wrote the revised version: KjL, JbP. Assisted with the analyses, literature reviews, writing: SiC, SgP. Interpreted the results and contributed to the final draft: JyM, KjL, JbP, SiC, SgP, KM.