1. Department of Internal Medicine; SUNY Downstate Medical Center; 450 Clarkson Ave Brooklyn 11203 New York
2. Department of Gastroenterology; SUNY Downstate Medical Center; 450 Clarkson Ave Brooklyn 11203 New York
3. Department of Pathology; SUNY Downstate Medical Center; 450 Clarkson Ave Brooklyn 11203 New York
4. Department of Oncology; SUNY Downstate Medical Center; 450 Clarkson Ave Brooklyn 11203 New York
5. Department of Oncology; Kings County Hospital Center; 451 Clarkson Ave Brooklyn 11203 New York