1. BGI College & Henan Institute of Medical and Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, China.
2. Henan Key Medical Laboratory of Tumor Molecular Biomarkers, Zhengzhou University, Zhengzhou, China.
3. School of Basic Medical Sciences, Academy of Medical Sciences, Zhengzhou University, Zhengzhou, China.
4. Zhengzhou Railway Vocational and Technical College, Zhengzhou, China.
5. Henan Key Laboratory of Tumor Epidemiology and State Key Laboratory of Esophageal Cancer Prevention & Treatment, Zhengzhou University, Zhengzhou, China.