1 Department of Physics and Astronomy, University of Calgary, 2500 University Dr NW, Calgary, AB T2N 1N4, Canada.
2 Tom Baker Cancer Center, 1331 29 St NW, Calgary, AB, T2N 4N2, Canada.
3 Tom Baker Cancer Center, 1331 29 St NW, Calgary, AB, T2N 4N2, Canada; Division of Radiation Oncology, Department of Oncology, University of Calgary, 2500 University Dr NW, Calgary, AB T2N 1N4, Canada.
4 Department of Physics and Astronomy, University of Calgary, Calgary, AB, Canada; Hotchkiss Brain Institute, University of Calgary, Calgary, AB, Canada; Institute for Quantum Science and Technology, University of Calgary, Calgary, AB, Canada; University of Calgary, 2500 University Dr NW, Calgary, AB T2N 1N4, Canada.
5 Varian Medical Systems - A Siemens Healthineers Company, 3100 Hansen Way, Palo Alto, CA 94304, USA.