1. Key
Laboratory of Drug Targeting and Drug Delivery Systems, West China
School of Pharmacy, Sichuan University, No. 17, Block 3, Southern Renmin
Road, Chengdu 610041, P. R. China
2. Chongqing Pharmaceutical Research Institute Co., Ltd, No. 565, Tushan Road, Nan’an
District, Chongqing 400061, P. R. China
3. Molecular
Imaging Center, Department of Radiology, West China Hospital, Sichuan University, No. 37 Guo Xue Xiang, Chengdu, Sichuan 610041, China