1. Department of Thoracic Surgery, National Cancer Center, Cancer Hospital Chinese Academy of Medical Sciences & Peking Union Medical College Beijing China
2. Department of Thoracic Surgery, Zhongshan Hospital Fudan University Shanghai China
3. Esophageal Surgery Division National Cancer Center Hospital Tokyo Japan
4. Department of Thoracic Surgery Fujian Cancer Hospital & Fujian Medical University Cancer Hospital Fuzhou China
5. Department of Thoracic Surgery Fujian Medical University Union Hospital Fuzhou China
6. Department of Gastroenterological Surgery Tokai University School of Medicine Tokyo Japan