1. Department of Emergency, The First Affiliated Hospital, Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, Guangdong 518000, P.R. China
2. Medical Oncology Ward 1, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital and Shenzhen Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Shenzhen, Guangdong 518116, P.R. China
3. Department of Radiation Oncology, Peking University Shenzhen Hospital, Shenzhen, Guangdong 518100, P.R. China
4. Department of Pathology, Shenzhen Hospital, Southern Medical University, Shenzhen, Guangdong 518100, P.R. China