1. Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
2. David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
3. FUJIFILM Pharmaceuticals U.S.A., Inc., Cambridge, Massachusetts 02142, United States
4. Harvard-Massachusetts Institute of Technology, Division of Health Science and Technology, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
5. Institute for Medical Engineering and Science, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States