1. Cancer Research Institute, Zhejiang Cancer Hospital and Key Laboratory Diagnosis and Treatment Technology on Thoracic Oncology of Zhejiang Province, Hangzhou, Zhejiang, China (mainland)
2. Key Laboratory of Integrated Traditional Chinese and Western Medicine for Diagnosis and Treatment of Digestive System Tumor, Zhejiang Provincial Hospital of Traditional Chinese Medicine, The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China (mainland)
3. Tissue Bank, Zhejiang Cancer Hospital, Hangzhou, Zhejiang, China (mainland)
4. Cancer Epidemiology Program, University of Hawaii Cancer Center, Honolulu, USA