1. Institute of Medical and Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, Henan, 450052, China
2. Department of Biological Sciences, The University of Texas at El Paso, El Paso, TX, 79968, USA
3. Henan Key Laboratory for Tumor Epidemiology, Zhengzhou University, Zhengzhou, Henan, 450052, China
4. The Third Affiliated Hospital, Zhengzhou University, Zhengzhou, Henan, 450052, China
5. Department of Epidemiology, College of Public Health, Zhengzhou University, Zhengzhou, Henan, 450052, China
6. Center for Molecular Carcinogenesis, Department of Pathology, Anatomy and Cell Biology, Thomas Jefferson University, Philadelphia, PA, 19107, USA