About the Authors

Sang Jun Eun

Contributed equally to this work with: Sang Jun Eun, Jin Yong Lee

Affiliation Department of Preventive Medicine, Chungnam National University School of Medicine, Daejeon, Republic of Korea

Jin Yong Lee

Contributed equally to this work with: Sang Jun Eun, Jin Yong Lee

Affiliations Public Health Medical Service, Seoul National University Boramae Medical Center, Seoul, Republic of Korea, Institute of Health Policy and Management, Medical Research Center, Seoul National University, Seoul, Republic of Korea

Hye-Min Jung

Affiliations Regional Rheumatoid and Degenerative Arthritis Center, Chungnam National University Hospital, Daejeon, Republic of Korea, Department of Health Policy and Management, Seoul National University College of Medicine, Seoul, Republic of Korea

Jin-Seok Lee

phealth@snu.ac.kr

Affiliations Department of Health Policy and Management, Seoul National University College of Medicine, Seoul, Republic of Korea, 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

Conceptualization: JSL. Formal analysis: SJE HMJ. Methodology: JSL SJE. Writing – original draft: SJE JSL JYL HMJ. Writing – review & editing: SJE JYL.