1. Department of Bioengineering; University of California-Los Angeles; Los Angeles CA 90095 USA
2. School of Pharmacy; Xi'an Jiaotong University; Xi'an 710061 China
3. Center for Minimally Invasive Therapeutics (C-MIT); California NanoSystems Institute; University of California-Los Angleles; Los Angeles CA 90095 USA
4. Key Laboratory of Tibetan Medicine Research; Northwest Institute of Plateau Biology; Chinese Academy of Sciences; Xining 810001 China
5. Department of Medicine; University of California-Los Angeles; Los Angeles CA 90095 USA
6. Jonsson Comprehensive Cancer Center; University of California - Los Angeles; 10833 Le Conte Ave Los Angeles CA 90024 USA
7. Department of Chemical and Biomolecular Engineering; University of California-Los Angeles; Los Angeles CA 90095 USA
8. Department of Radiology; University of California-Los Angeles; Los Angeles CA 90095 USA. Department of Bioindustrial Technologies; College of Animal Bioscience and Technology; Konkuk University; Seoul 143701 Republic of Korea