1 Department of Radiation Oncology, University of Miami Miller School of Medicine and Sylvester Comprehensive Cancer Center, Miami, FL 33136, USA. Electronic address: apollack@med.miami.edu.
2 Department of Public Health Sciences, University of Chicago, Chicago, IL, USA; NRG Oncology, Philadelphia, PA, USA.
3 Department of Radiation Oncology, University of California San Francisco, San Francisco, CA, USA.
4 Department of Medicine, Tulane University, New Orleans, LA, USA.
5 Cedars Sinai Medical Center, Los Angeles, CA, USA.