1. Department of Hematology‐Oncology Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine Kaohsiung Taiwan
2. Department of Medical Oncology Sun Yat‐sen University Cancer Center Guangzhou China
3. Department of Thoracic & Cardiovascular Surgery Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine Kaohsiung Taiwan
4. Institute of Medicine Chung Shan Medical University Taichung Taiwan
5. Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Disease The Sixth Affiliated Hospital of Sun Yat‐sen University Guangzhou China
6. Guangdong Research Institute Of Gastroenterology The Sixth Affiliated Hospital of Sun Yat‐sen University Guangzhou China
7. The Second Department of Medical Oncology, The Third Affiliated Hospital of Kunming Medical University Yunnan Cancer Hospital Kunming Yunnan China
8. Department of Medical Research Chung Shan Medical University Hospital Taichung Taiwan