1. Department of Medicine, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
2. Department of Thoracic Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
3. Department of Gastrointestinal Surgery & Gastric Cancer Center, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China; Gastric Cancer Center of Sun Yat-Sen University, Guangzhou, China
4. Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen, China
5. Department of Surgery, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, New Territories, Hong Kong SAR, China
6. Department of Clinical laboratory, Cancer Center of Sun Yat-sen University; Collaborative Innovation Center for Cancer Medicine; State Key Laboratory of Oncology in South China, Guangzhou, China