Author information:
(1)1] State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, 
West China Medical School, Sichuan University, Chengdu 610041, P.R. China [2] 
Shiley Eye Center and Institute for Genomic Medicine, University of California, 
San Diego, La Jolla, California 92093, USA [3].
(2)1] Department of NanoEngineering, University of California, San Diego, La 
Jolla, California 92093, USA [2].
(3)Department of NanoEngineering, University of California, San Diego, La Jolla, 
California 92093, USA.
(4)State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, 
West China Medical School, Sichuan University, Chengdu 610041, P.R. China.
(5)School of Chemistry and Chemical Engineering, Shaanxi Normal University, 
Xi'an 710062, P.R. China.
(6)1] Shiley Eye Center and Institute for Genomic Medicine, University of 
California, San Diego, La Jolla, California 92093, USA [2] Biomaterials and 
Tissue Engineering Center, University of California, San Diego, La Jolla, 
California 92093, USA [3] Veterans Administration Healthcare System, San Diego, 
California 92093, USA.
(7)1] Department of NanoEngineering, University of California, San Diego, La 
Jolla, California 92093, USA [2] Biomaterials and Tissue Engineering Center, 
University of California, San Diego, La Jolla, California 92093, USA.