1. Department of Cardiology The First Affiliated Hospital of Sun Yat‐Sen University Guangzhou China
2. NHC Key Laboratory of Assisted Circulation (Sun Yat‐sen University) Guangzhou China
3. Department of Otorhinolaryngology The Third Affiliated Hospital of Sun Yat‐Sen University Guangzhou China
4. Department of Ultrasonography The First Affiliated Hospital of Sun Yat‐Sen University Guangzhou China