1. Department of Radiology, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, Republic of Korea.
2. Department of Genetics, Stanford University, Stanford, CA, USA.
3. Department of Statistics and Institute of Applied Statistics, Jeonbuk National University, Jeonju, Republic of Korea.
4. Department of Radiology, Research Institute of Clinical Medicine of Jeonbuk National University-Biomedical Research Institute of Jeonbuk National University Hospital, Jeonbuk National University Medical School, Jeonju, Republic of Korea.