1. Cerebrovascular Diseases Center, Department of Neurosurgery Renji Hospital, Shanghai Jiao‐tong University School of Medicine Shanghai China
2. Department of Neurosurgery Suzhou Xiangcheng People's Hospital Suzhou China
3. Department of Emergency Medicine Shanghai No. 4 People's Hospital affiliated to Shanghai Tongji University School of Medicine Shanghai China
4. Department of Otorhinolaryngology Shanghai Rui‐Jin Hospital, Shanghai Jiao‐tong University School of Medicine Shanghai China