About the Authors

Ji Hye Huh

Contributed equally to this work with: Ji Hye Huh, Kwang Joon Kim

Affiliation Division of Endocrinology and Metabolism, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea

Kwang Joon Kim

Contributed equally to this work with: Ji Hye Huh, Kwang Joon Kim

Affiliation Severance Executive Healthcare Clinic, Severance Hospital, Seoul, Korea

Byung-Wan Lee

bwanlee@yuhs.ac

Affiliation Division of Endocrinology and Metabolism, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea

Dong Wook Kim

Affiliation Division of Medical Statistics, Yonsei University College of Medicine, Seoul, Korea

Eun Seok Kang

Affiliation Division of Endocrinology and Metabolism, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea

Bong Soo Cha

Affiliation Division of Endocrinology and Metabolism, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea

Hyun Chul Lee

Affiliation Division of Endocrinology and Metabolism, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Analyzed the data: JHH KJK DWK. Contributed reagents/materials/analysis tools: DWK. Wrote the paper: JHH KJK. Theory development: BWL. Helped write and revise the manuscript: BWL ESK BSC HCL.