1. Department of Otorhinolaryngology Sun Yat‐sen Memorial Hospital, Sun Yat‐sen University Guangzhou China
2. Institute of Hearing and Speech Sun Yat‐sen University Guangzhou China
3. Department of Radiology Sun Yat‐sen Memorial Hospital, Sun Yat‐sen University Guangzhou China
4. Department of Radiology The Seventh Affiliated Hospital, Sun Yat‐sen University Shenzhen China