1. Department of Neurology, The First Affiliated Hospital of Jiamusi University, Jiamusi 154000, Heilongjiang, China
2. Emergency Department, The First Affiliated Hospital of Jiamusi University, Jiamusi 154000, Heilongjiang, China
3. Department of Medical Education, The First Affiliated Hospital of Jiamusi University, Jiamusi 154000, Heilongjiang, China
4. Department of Psychiatry, The First Affiliated Hospital of Harbin Medical University, Harbin 150000, Heilongjiang, China
5. Department of General Surgery, The First Affiliated Hospital of Jiamusi University, Jiamusi 154000, Heilongjiang, China
6. Digestive Department, The First Affiliated Hospital of Jiamusi University, Jiamusi 154000, Heilongjiang, China