1. Division of Gastroenterology Brigham and Women's Hospital Harvard Medical School 75 Francis St Boston MA 02115 USA
2. Departments of Chemical Engineering and Biochemistry Northeastern University 300 Huntington Ave Boston MA 02115 USA
3. Harvard Radiation Oncology Program 55 Fruit St Boston MA 02114 USA
4. David H. Koch Institute for Integrative Cancer Research Massachusetts Institute of Technology 500 Main St. Building 76 Cambridge MA 02142 USA
5. Department of Mechanical Engineering Massachusetts Institute of Technology 77 Massachusetts Ave Cambridge MA 02139 USA
6. Department of Radiation Oncology Dana‐Farber Cancer Institute/Brigham and Women's Hospital 44 Binney St Boston MA 02115 USA
7. Division of Gastroenterology Massachusetts General Hospital 55 Fruit St Boston MA 02114 USA