1. Chongqing Key Laboratory of Biochemistry and Molecular Pharmacology; Chongqing Research Center for Pharmaceutical Engineering; School of Pharmacy; Chongqing Medical University; Chongqing 400016 P. R. China
2. Chongqing Key Laboratory of Ultrasound Molecular Imaging; Institute of Ultrasound Imaging; Chongqing Medical University; Chongqing 400016 P. R. China
3. Chongqingshi Shapingba District People's Hospital; Chongqing 400030 P. R. China