About the Authors

Nami Kim

Affiliation Department of Anatomy, Korea University College of Medicine, Seoul 136-701, Korea

Hong Min Kim

Affiliation Department of Internal Medicine, Yonsei University Wonju College of Medicine, Wonju 220-701, South Korea

Eun Soo Lee

Affiliation Department of Internal Medicine, Yonsei University Wonju College of Medicine, Wonju 220-701, South Korea

Jung Ok Lee

Affiliation Department of Anatomy, Korea University College of Medicine, Seoul 136-701, Korea

Hye Jeong Lee

Affiliation Department of Anatomy, Korea University College of Medicine, Seoul 136-701, Korea

Soo Kyung Lee

Affiliation Department of Anatomy, Korea University College of Medicine, Seoul 136-701, Korea

Ji Wook Moon

Affiliation Department of Anatomy, Korea University College of Medicine, Seoul 136-701, Korea

Ji Hae Kim

Affiliation Department of Anatomy, Korea University College of Medicine, Seoul 136-701, Korea

Joong Kwan Kim

Affiliation Department of Anatomy, Korea University College of Medicine, Seoul 136-701, Korea

Su Jin Kim

Affiliation Department of Anatomy, Korea University College of Medicine, Seoul 136-701, Korea

Sun Hwa Park

Affiliation Department of Anatomy, Korea University College of Medicine, Seoul 136-701, Korea

Choon Hee Chung

Affiliation Department of Internal Medicine, Yonsei University Wonju College of Medicine, Wonju 220-701, South Korea

Hyeon Soo Kim

anatomykim@korea.ac.kr

Affiliation Department of Anatomy, Korea University College of Medicine, Seoul 136-701, Korea

Competing Interests

The authors confirm that there are no conflicts of interest.

Author Contributions

Conceived and designed the experiments: HSK CHC. Performed the experiments: NK HMK ESL JOL HJL JHK JKK. Analyzed the data: SHP SJK. Contributed reagents/materials/analysis tools: SKL JWM. Wrote the paper: NK HMK ESL.