[1] Johns Hopkins Med Inst, Sol Goldman Pancreat Canc Res Ctr, Dept Med Gastroenterol, Baltimore, MD 21205 USA
[2] Thomas Jefferson Univ, Dept Surg, Philadelphia, PA 19107 USA
[3] Johns Hopkins Med Inst, Dept Pathol, Sol Goldman Pancreat Canc Res Ctr, Baltimore, MD 21205 USA
[4] Johns Hopkins Med Inst, Dept Oncol, Sol Goldman Pancreat Canc Res Ctr, Baltimore, MD 21205 USA
[5] Johns Hopkins Med Inst, Dept Surg, Sol Goldman Pancreat Canc Res Ctr, Baltimore, MD 21205 USA
[6] Johns Hopkins Med Inst, Dept Radiol, Sol Goldman Pancreat Canc Res Ctr, Baltimore, MD 21205 USA
[7] Univ Colorado, Sch Med, Denver, CO USA