[1
]Geisel School of Medicine at Dartmouth, Hanover, New Hampshire 03755, United States
[2
]Thayer School of Engineering at Dartmouth, Hanover, New Hampshire 03755, United States
[3
]Section of Radiation Oncology, Dartmouth Hitchcock Medical Center, Lebanon, New Hampshire
03766, United States
[4
]Case Western Reserve University, Cleveland, Ohio 44106, United States