1. Department of Respiratory and Critical Care Medicine, Eighth Affiliated Hospital of Sun Yat-Sen University , Shenzhen, Guangdong , China
2. Department of Neurosurgery, Eighth Affiliated Hospital of Sun Yat-Sen University , Shenzhen, Guangdong , China
3. Department of Radiology, Eighth Affiliated Hospital of Sun Yat-Sen University , Shenzhen, Guangdong , China