1. Department of Pathology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, China
2. Department of Pathology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong 510515, China
3. Key Laboratory of Molecular Tumor Pathology of Guangdong Province, Guangzhou, GuangDong, China
4. Department of Oncology, Guangdong Second Provincial General Hospital, Guangzhou, China