1. VIP Medical Service Center (X.T.), the Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China.
2. Department of Cardiovascular Medicine (J.W., X.O., Q.C., R.D., Y.L., Z.H., L.P., X.X., J.Z., Z.Z., S.L.), the Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China.
3. Department of Ultrasonography (J.Z.), the Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China.