About the Authors

Do-Kyung Lee

Contributed equally to this work with: Do-Kyung Lee, Hyun-Jung Kim

Affiliation Department of Orthopaedic Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea

Hyun-Jung Kim

Contributed equally to this work with: Do-Kyung Lee, Hyun-Jung Kim

Affiliation Department of Preventive medicine, Korea University College of Medicine, Seoul, Korea

Dae-Hee Lee

eoak22@empal.com

Affiliation Department of Orthopaedic Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: DKL DHL. Data curation: DKL DHL. Formal analysis: HJK DHL. Investigation: DKL HJK DHL. Methodology: HJK DHL. Project administration: DKL DHL. Resources: DKL DHL. Software: HJK. Supervision: HJK DHL. Validation: DKL DHL. Visualization: DKL DHL. Writing – original draft: DKL DHL. Writing – review & editing: DKL DHL.