1. Department of Radiation Oncology, Bodine Center for Cancer Treatment, Sidney Kimmel Cancer Center and Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, Pennsylvania.
2. Department of Medical Oncology, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania.
3. Department of Radiology, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania.
4. Department of Pathology, Anatomy and Cell Biology, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania.
5. Department of Surgery, The Jefferson Pancreas, Biliary, and Related Cancer Center, Thomas Jefferson University, Philadelphia, Pennsylvania.