About the Authors

Ik Yong Kim

Affiliation Department of Surgery, Division of Colorectal Surgery, Yonsei University Wonju College of Medicine, Wonju, Korea

Bo Ra Kim

Affiliation Department of Internal Medicine, Division of Gastroenterology, Yonsei University Wonju College of Medicine, Wonju, Korea

Young Wan Kim

youngwkim@yonsei.ac.kr

Affiliation Department of Surgery, Division of Colorectal Surgery, Yonsei University Wonju College of Medicine, Wonju, Korea

Competing Interests

The authors have no competing interests to declare.

Author Contributions

Conceived and designed the experiments: YWK IYK. Performed the experiments: BRK YWK. Analyzed the data: BRK YWK. Contributed reagents/materials/analysis tools: YWK BRK. Wrote the paper: YWK IYK.