About the Authors

Woo Hyun Shim

Affiliation Department of Radiology and Research Institute of Radiology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea

Ho Sung Kim

radhskim@gmail.com

Affiliation Department of Radiology and Research Institute of Radiology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea

Choong-Gon Choi

Affiliation Department of Radiology and Research Institute of Radiology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea

Sang Joon Kim

Affiliation Department of Radiology and Research Institute of Radiology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: WHS HSK. Performed the experiments: WHS HSK. Analyzed the data: WHS HSK SJK. Contributed reagents/materials/analysis tools: WHS HSK CGC SJK. Wrote the paper: WHS HSK CGC SJK.