1. School of Basic Medical Sciences, Zhengzhou University, Zhengzhou 450001, Henan, China
2. Henan Provincial Cooperative Innovation Center for Cancer Chemoprevention, Zhengzhou 450000, Henan, China
3. State Key Laboratory of Esophageal Cancer Prevention & Treatment, Zhengzhou University, Zhengzhou 450001, Henan, China
4. China-US (Henan) Hormel Cancer Institute, Zhengzhou 450003, Henan, China
5. Cancer Chemoprevention International Collaboration Laboratory, Zhengzhou 450000, Henan, China