1. Henan Key Laboratory of Cancer Epigenctics, Cancer Institute, The First Affiliated Hospital, and College of Clinical Medicine of Henan University of Science and Technology, Luoyang 471003, China
2. The First Affiliated Hospital of Henan University of Science and Technology, Luoyang 471003, China
3. Anyang Tumour Hospital, Henan Key Laboratory of Precision Prevention and Treatment of Esophageal Cancer, Anyang 455000, China