1. Department of Otorhinolaryngology, Head and Neck Surgery, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, 150000, China
2. Department of Emergency, Heilongjiang Province Hospital, Harbin, Heilongjiang, 150000, China
3. Department of Medical Oncology, Heilongjiang Province Hospital, Harbin, Heilongjiang, 150000, China