1. Department of Pathology; University Medical Center Utrecht (H04-312); Utrecht The Netherlands
2. Department of Pathology; Johns Hopkins University School of Medicine; Baltimore MD USA
3. Department of Pathology; The Sol Goldman Pancreatic Cancer Research Center; Johns Hopkins University School of Medicine; Baltimore MD USA
4. Departments of Medicine (Gastroenterology) and Oncology; Johns Hopkins University School of Medicine; Baltimore MD USA
5. Departments of Medicine Oncology Center, and Pathology; Johns Hopkins University School of Medicine; Baltimore MD USA