1. Division of Engineering in Medicine, Department of Medicine; Brigham and Women's Hospital, Harvard Medical School; Cambridge MA 02139 USA
2. Harvard-MIT Division of Health Sciences and Technology; Massachusetts Institute of Technology; Cambridge MA 02139 USA
3. Institute of Biomaterials and Tissue Engineering; Huaqiao University; Xiamen Fujian 362021 P. R. China
4. Department of Mechanical and Materials Engineering; University of Nebraska-Lincoln; Lincoln NE 68508 USA
5. Beijing Advanced Innovation Center for Biomedical Engineering; Key Laboratory for Biomechanics and Mechanobiology of the Ministry of Education; School of Biological Science and Medical Engineering; Beihang University; Beijing 100083 P. R. China
6. Division of Vascular & Interventional Radiology; Minimally Invasive Therapeutics Laboratory; Mayo Clinic, 5777 E. Mayo Blvd Phoenix AZ 85054 USA
7. Center for Minimally Invasive Therapeutics; University of California-Los Angeles; Los Angeles CA 90095 USA
8. Department of Radiology, David Geffen School of Medicine; University of California-Los Angeles; Los Angeles CA 90095 USA
9. Department of Bioengineering, Department of Chemical and Biomolecular Engineering, Henry Samueli School of Engineering and Applied Sciences; University of California-Los Angeles; Los Angeles CA 90095 USA. California NanoSystems Institute; University of California-Los Angeles; Los Angeles 90095 CA USA. Department of Bioindustrial Technologies; Konkuk University; Seoul 143-701 Republic of Korea