1. Institute of Immunology, PLA, Third Military Medical University, Chongqing 400038, PR China
2. Department of Pathophysiology and High Altitude Pathology, Third Military Medical University, Chongqing 400038, PR China
3. Laboratory Department, 150th Hospital of PLA, Luoyang 471031, PR China
4. Department of Hepatobiliary Surgery, Southwest Hospital, Third Military Medical University, Chongqing 400038, PR China
5. Department of Oncology, 309th Hospital of PLA, Beijing 100091, PR China