1. Department of Oncology, Panyu Central Hospital, Cancer Institute of Panyu, Guangzhou, Guangdong 511400, P.R. China
2. Department of Cardiology, Panyu Central Hospital, Guangzhou, Guangdong 511400, P.R. China
3. Department of Oncology, The Second Affiliated Hospital, School of Medicine, South China University of Technology Guangzhou, Guangzhou, Guangdong 510180, P.R. China
4. Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China