1. Department of Biomedical Science and Engineering, Gwangju Institute of Science and Technology, Gwangju 61005, Korea
2. Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Charlestown, MA 02129, USA
3. Department of Radiology, Harvard Medical School, Boston, MA 02115, USA
4. AI Graduate School, Gwangju Institute of Science and Technology, Gwangju 61005, Korea
5. Research Center for Photon Science Technology, Gwangju Institute of Science and Technology, Gwangju 61005, Korea