1. Department of Oncology, The Affiliated Panyu Center Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China
2. Cancer Institute of Panyu, Guangzhou, China
3. Department of Psychosomatic Medicine, Chongqing University Three Gorges Hospital, Wanzhou, Chongqing, China
4. Department of Oncology, Southern Medical University Nanfang Hospital, Guangzhou, Guangdong, China
5. Department of Oncology, Chongqing University Three Gorges Hospital, Wanzhou, Chongqing, China