Ann Surg 2016 Jan;263(1):153-61
*Department of Surgery, The Johns Hopkins University School of Medicine, Baltimore, MD †Department of Pathology ‡Department of Oncology, The Johns Hopkins University School of Medicine, Baltimore, MD §Department of Radiation Oncology and Molecular Radiation Sciences, The Johns Hopkins University School of Medicine, Baltimore, MD ¶Department of Gastroenterology and Hepatology, The Sol Goldman Pancreatic Cancer Research Center, The Johns Hopkins University School of Medicine, Baltimore, MD.