1. New York University Abu Dhabi Abu Dhabi United Arab Emirates
2. Department of Biomedical Engineering Case Western Reserve University Schools of Medicine and Engineering Cleveland OH 44106 USA
3. Laboratoire de Biophotonique et Pharmacologie UMR7213 CNRS Faculté de Pharmacie Université de Strasbourg 74, Route du Rhin 67401 Illkirch Cedex France
4. Synchrotron X‐ray Station at SPring‐8 National Institute for Materials Science (NIMS) 1‐1‐1 Kouto Sayo Hyogo 679‐5148 Japan
5. Department of Radiology Materials Science and Engineering Macromolecular Science and Engineering Division of General Medical Sciences‐Oncology Case Comprehensive Cancer Center Case Western Reserve University Schools of Medicine and Engineering Cleveland OH 44106 USA