Euiheon Chung1,2,3, Alex Vitkin4,5,6. 1. 1Department of Biomedical Science and Engineering (BMSE), Gwangju Institute of Science and Technology (GIST), Gwangju, Republic of Korea. 2. 2Institute of Integrated Technology, GIST, Gwangju, Republic of Korea. 3. 3School of Mechanical Engineering, GIST, Gwangju, Republic of Korea. 4. 4Departments of Medical Biophysics, University of Toronto, Toronto, ON Canada. 5. 5Departments of Radiation Oncology, University of Toronto, Toronto, ON Canada. 6. 6Division of Biophysics and Bioimaging, Princess Margaret Cancer Centre, University Health Network, Toronto, ON Canada.