1. Department of Cellular Biology and Anatomy, Louisiana State University Health Sciences-Shreveport, Shreveport, LA 71103, USA
2. Department of Radiation Oncology, Duke University School of Medicine, Durham, NC 27710, USA
3. Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
4. Pharmacokinetics/Pharmacodynamics (PK/PD) Core Laboratory, Duke Cancer Institute, Duke University School of Medicine, Durham, NC 27710, USA