About the Authors

Hye Yin Park

Affiliation Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea

Jongho Heo

Affiliation Center for Health Equity Research and Policy, San Diego State University, San Diego, California, United States of America

S. V. Subramanian

Affiliation Department of Society, Human Development, and Health, Harvard School of Public Health, Boston, Massachusetts, United States of America

Ichiro Kawachi

Affiliation Department of Society, Human Development, and Health, Harvard School of Public Health, Boston, Massachusetts, United States of America

Juhwan Oh

oh328@snu.ac.kr

Affiliation Institute of Health Policy and Management, Medical Research Center, Seoul National University, Seoul, Republic of Korea

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HP JO. Analyzed the data: HP JH SVS JO. Wrote the paper: HP JH SVS IK JO.