1. College of Medical Technology, Sichuan College of Traditional Chinese Medicine, Mianyang, Sichuan 621000, P.R. China
2. Institute of Drug Clinical Trial/GCP Center, Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan 646000, P.R. China
3. Department of Oncology, Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan 646000, P.R. China