About the Authors

Hye Won Woo

Affiliations Department of Preventive Medicine, College of Medicine, Hanyang University, Seoul, Korea, Institute for Health and Society, Hanyang University, Seoul, Korea

Bo Youl Choi

Affiliations Department of Preventive Medicine, College of Medicine, Hanyang University, Seoul, Korea, Institute for Health and Society, Hanyang University, Seoul, Korea

Mi Kyung Kim

kmkkim@hanyang.ac.kr

Affiliations Department of Preventive Medicine, College of Medicine, Hanyang University, Seoul, Korea, Institute for Health and Society, Hanyang University, Seoul, Korea

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MKK BYC. Performed the experiments: MKK. Analyzed the data: HWW. Wrote the paper: HWW MKK.