1. College of Polymer Science and Engineering, Experimental and Research Animal Institute, Sichuan University, Chengdu, China.
2. College of Polymer Science and Engineering, Sichuan University, Chengdu, China.
3. Department of Oncology Hematology, Western Theater Command Air Force Hospital, Chengdu, China.
4. Experimental and Research Animal Institute, Sichuan University, Chengdu, China.