1. Department of Pathology and Cell BiologyColumbia University Irving Medical Center (CUIMC) New York NY
2. Biomedical Informatics Shared Resource, Herbert Irving Comprehensive Cancer Center and Department of Biomedical InformaticsCUIMC New York NY
3. Department of PathologyUniversity of Pittsburgh Medical Center Pittsburgh PA
4. Division of GastroenterologyUniversity of Pennsylvania Perelman School of Medicine Philadelphia PA
5. Division of Thoracic Surgery, Department of SurgeryCUIMC New York NY
6. Division of Digestive and Liver Diseases, Department of MedicineCUIMC New York NY