1. Department of Oncology, 363 Hospital, Chengdu, Sichuan, P.R. China
2. Department of Oncology, Chengdu Second People’s Hospital, Chengdu, Sichuan, P.R. China
3. Department of Oncology, The General Hospital of Western Theater Command of PLA, Chengdu, Sichuan, P.R. China
4. Science and Education Department, 363 Hospital, Chengdu, Sichuan, P.R. China