1. Department of Radiation Oncology, Heersink School of Medicine at the University of Alabama at Birmingham (UAB-SOM) , Birmingham, AL , USA
2. O’Neal Comprehensive Cancer Center, University of Alabama School of Medicine , Birmingham, AL , USA
3. Department of Microbiology, University of Alabama School of Medicine , Birmingham, AL , USA
4. Department of Pharmacology and Toxicology, University of Alabama School of Medicine , Birmingham, AL , USA
5. Programs in Immunology, University of Alabama School of Medicine , Birmingham, AL , USA