1. Pathology Dept. Of Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University, Guangzhou, Guangdong Province, China
2. Pathology Dept. Of Sun Yat-sen University Cancer Center of Sun Yat-Sen University, Guangzhou, Guangdong Province, China
3. Obstetrics and Gynecology Dept. Of Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou, Guangdong Province, China