1. Division of Periodontics College of Dental Medicine Columbia University New York NY USA
2. Department of Pathology and Cell Biology Vagelos College of Physicians & Surgeons Columbia University New York NY USA
3. The Horace Mann School Bronx NY USA
4. Department of Computer Science and Engineering University of California San Diego San Diego CA USA
5. Columbia Stem Cell Initiative Columbia University New York NY USA
6. Division of Digestive and Liver Diseases Columbia University New York NY USA
7. Herbert Irving Comprehensive Cancer Center Columbia University New York NY USA
8. Department of Microbiology and Immunology Vagelos College of Physicians & Surgeons Columbia University New York NY USA