1. Departmant of Oncology, NHC Key Laboratory of Nuclear Technology Medical Transformation (Mianyang Central Hospital), Mianyang Central Hospital, School of Medicine, University of Electronic Science and Technology, Mianyang, Sichuan 621000, P.R. China
2. Department of Oncology, Affiliated Hospital of North Sichuan Medical College, Nan Chong, Sichuan 637000, P.R. China