1. Department of Thoracic Oncology; Sun Yat-Sen University Cancer Center; State Key Laboratory of Oncology in South China; Collaborative innovation Center for Cancer Medicine; Guangzhou P.R. China
2. Guangdong Esophageal Cancer Institute; Guangzhou P.R. China
3. School of Public Health; Sun Yat-Sen University; Guangzhou Guangdong Province P.R. China