About the Authors

Eunjoo Choi

Contributed equally to this work with: Eunjoo Choi, Kyung-Hyun Choi

‡ These authors are co-first authors on this work.

Affiliation Department of Family Medicine, Seoul National University Hospital, Seoul National University College of Medicine, 101, Daehak-ro, Jongno-gu, Seoul 110–744, South Korea

Kyung-Hyun Choi

Contributed equally to this work with: Eunjoo Choi, Kyung-Hyun Choi

‡ These authors are co-first authors on this work.

Affiliation Center for Health Promotion & Cancer Prevention, Dongnam Institute of Radiological & Medical Sciences, Jwadong-gil 40, Jangan-eup, Gijang-gun, Busan 619–953, South Korea

Sang Min Park

smpark.snuh@gmail.com

Affiliations Department of Family Medicine, Seoul National University Hospital, Seoul National University College of Medicine, 101, Daehak-ro, Jongno-gu, Seoul 110–744, South Korea, Department of Biomedical Sciences, Seoul National University College of Medicine, 28 Yunkeon-dong, Jongro-gu, Seoul 110–744, South Korea

Doosup Shin

Affiliation Department of Education and Research, Seoul National University Hospital, 101, Daehak-ro, Jongno-gu, Seoul 110–744, South Korea

Hee-Kyung Joh

Affiliations Department of Medicine, Seoul National University College of Medicine, 28 Yunkeon-dong, Jongro-gu, Seoul 110–744, South Korea, Department of Family Medicine, Seoul National University Health Service Center, Daehak-dong, Gwanak-gu, Seoul 152–742, South Korea

Eunyoung Cho

Affiliations Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, 181 Longwood Ave., Boston, MA 02115, United States of America, Department of Dermatology, The Warren Alpert Medical School of Brown University, 339 Eddy St, Providence, RI 02903, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: EJC KHC SMP. Performed the experiments: EJC KHC. Analyzed the data: EJC KHC. Contributed reagents/materials/analysis tools: EJC KHC DS. Wrote the paper: EJC KHC. Provided critical suggestions for important intellectual content: EJC KHC SMP DS HKJ EYC.