[1] University of Louisville School of Medicine,Division of Surgical Oncology, Upper Gastrointestinal and Hepato
[2] James Graham Brown Cancer Center,Pancreatico
[3] Toledo University,Biliary Clinic
[4] Virginia Mason Medical Center,ProMedica Physicians Hepatobiliary and Pancreatic Surgery
[5] Norton Hospital Radiology Associates,undefined
[6] Norton Cancer Institute,undefined