**Author details**

Dong Ho Lee1,2,3\*, Jae Young Lee1,2,3 and Byung Ihn Choi4

1 Department of Radiology, Seoul National University Hospital, South Korea

2 Institute of Radiation Medicine, Seoul National University Medical Research Center, South Korea

3 Department of Radiology, Seoul National University, College of Medicine, South Korea

4 Department of Radiology, Chung-Ang University Hospital, South Korea

\*Address all correspondence to: dhlee.rad@gmail.com

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