1. Department of Medical Oncology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou City, Guangdong Province, China
2. Department of Thoracic Surgery, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou City, Guangdong Province, China
3. Guangdong Esophageal Cancer Institute, Guangzhou City, Guangdong Province, China
4. Department of Thoracic Surgery, Linzhou Esophageal Cancer Hospital, Yaocun Town, Linzhou City, Henan Province, China
5. Institute of Medical Statistics and Epidemiology, Sun Yat-sen University Medical College, Guangzhou City, Guangdong Province, China
6. Department of Pathology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou City, Guangdong Province, China