About the Authors

Inah Kim

Affiliation Department of Occupational and Environmental Medicine, College of Medicine, Hanyang University, Seoul, Republic of Korea

Myoung-Hee Kim

mhkim1871@gmail.com

Affiliation People’s Health Institute, Seoul, Republic of Korea

Sinye Lim

Affiliation Department of Occupational and Environmental Medicine, College of Medicine, Kyung Hee University, Seoul, Republic of Korea

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Analyzed the data: MK. Contributed reagents/materials/analysis tools: SL. Wrote the paper: IK MK SL.