1. Department of Oncology, Sichuan Mianyang 404 Hospital, Mianyang, Sichuan 621000, P.R. China
2. Department of Oncology, The Third Hospital of Mianyang/Sichuan Mental Health Center, Mianyang, Sichuan 621000, P.R. China
3. Institute of Drug Clinical Trial/GCP Center, Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan 646000, P.R. China