1. Department of Pathology and Key Laboratory for Xinjiang Endemic and Ethnic Diseases, Shihezi University School of Medicine, Shihezi, China
2. Department of Pathology and Medical Research Center, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
3. Department of Pathology, Zhucheng Maternal and Child Care Service Centre, Weifang, China
4. Department of Pathology, People's Hospital of Wusu, Tacheng, China
5. Department of Thoracic and Cardiovascular Surgery, The First Affiliated Hospital, Shihezi University School of Medicine, Shihezi, China
6. Henan Key Laboratory for Esophageal Cancer Research, Department of Basic Oncology and Pathology at College of Medicine, The First and The Second Affiliated Hospital, Zhengzhou University, Zhengzhou, Henan, China