1. Indiana University Melvin and Bren Simon Comprehensive Cancer Center, Indianapolis, IN;
2. Barbara Ann Karmanos Cancer Institute, Wayne State University, Detroit, MI;
3. Indiana University School of Medicine, Indianapolis, IN;
4. Department of Radiation Oncology, Rutgers Cancer Institute of New Jersey, Robert Wood Johnson Medical School, Rutgers University, New Brunswick, NJ;
5. VA Nebraska Western Iowa Health Care System, University of Nebraska Medical Center, Omaha, NE;
6. Indiana University Melvin and Bren Simon Comprehensive Cancer Center, Richard L Roudebush VA Medical Center, Indianapolis, IN;
7. James Graham Brown Cancer Center, University of Louisville, Louisville, KY;
8. Sidney Kimmel Comprehensive Cancer Center, RCSI Cancer Centre (Dublin, Ireland), Baltimore, MD;
9. Michigan State University, East Lansing, MI;
10. Rush University Medical Center, Chicago, IL;
11. Emory University Winship Cancer Institute, Atlanta, GA;
12. University of Illinois Hospital & Health Sciences System, Jesse Brown VA Medical Center, Chicago, IL;
13. University of Minnesota, Minneapolis, MN;