1. Sol Goldman Pancreatic Cancer Research Center, Department of PathologyThe Johns Hopkins University School of Medicine Baltimore MD USA
2. Department of General PathologyThe University Hospital of Heidelberg Heidelberg Germany
3. Department of Pathology, Asan Medical CenterUniversity of Ulsan College of Medicine Seoul Republic of Korea
4. Department of PathologyThe University Medical Center Utrecht Utrecht The Netherlands
5. Department of PathologyRadboud University Medical Center Nijmegen The Netherlands