1. Medical Convergence Research Center, Wonkwang University, Wonkwang University Hospital, Iksan 54538, Republic of Korea
2. Department of Radiology, Chosun University Hospital of Medicine, Chosun University College, Gwangju 61453, Republic of Korea
3. Department of Biomedical Engineering, Kyung Hee University, Dongdaemun-gu, Seoul 02447, Republic of Korea
4. Department of Radiology, Wonkwang University Hospital, Wonkwang University School of Medicine, Iksan 54538, Republic of Korea