1. David H. Koch Institute for
Integrative Cancer Research, Department of Chemical Engineering and
Division of Health Science and Technology, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139,
United States
2. Department of Materials Science and Engineering, University of Pennsylvania,
3451 Walnut Street, Philadelphia, Pennsylvania 19104, United States
3. Radiology Department, University of Pennsylvania, 3400 Spruce Street, 1 Silverstein,
Philadelphia, Pennsylvania 19104, United States
4. Laboratory of Nanomedicine and Biomaterials, Department of Anesthesiology, Brigham & Women’s Hospital, Harvard Medical School, 75 Francis Street, Boston, Massachusetts 02115, United States
5. Department of Vascular Medicine, Academic Medical Center, Amsterdam, The Netherlands