About the Authors

Jeoung A. Kwon

Affiliations Department of Public Health, Graduate School, Yonsei University, Seoul, Korea, Institute of Health Services Research, Yonsei University College of Medicine, Seoul, Korea

Minjee Lee

Affiliations Department of Public Health, Graduate School, Yonsei University, Seoul, Korea, Institute of Health Services Research, Yonsei University College of Medicine, Seoul, Korea

Ki-Bong Yoo

Affiliations Department of Public Health, Graduate School, Yonsei University, Seoul, Korea, Institute of Health Services Research, Yonsei University College of Medicine, Seoul, Korea

Eun-Cheol Park

ecpark@yuhs.ac

Affiliations Institute of Health Services Research, Yonsei University College of Medicine, Seoul, Korea, Department of Preventive Medicine, Yonsei University College of Medicine, Seoul, Korea

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JAK ML KBY. Performed the experiments: JAK ECP. Analyzed the data: JAK ML KBY ECP. Contributed reagents/materials/analysis tools: JAK. Wrote the paper: JAK.