Evagelia C. Laiakis,^1,2,* Monica Pujol Canadell,³ Veljko Grilj,⁴ Andrew D. Harken,⁴ Guy Y. Garty,⁴ David J. Brenner,³ Lubomir Smilenov,³ Albert J. Fornace Jr.<sup>1,2

1</sup>Department of Oncology, Lombardi Comprehensive Cancer Center
²Department of Biochemistry and Molecular & Cellular Biology, Georgetown University, Washington, DC
³Center for Radiological Research, Columbia University, New York, New York
⁴Radiological Research Accelerator Facility, Columbia University, Irvington, New York

^*Address for correspondence: Georgetown University, 3970 Reservoir Rd, NW, New Research Building, Room EP11, Washington, DC 20057; email: ecl28@georgetown.edu.