1. Department of Ultrasound, Xijing Hypertrophic Cardiomyopathy Center, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
2. Department of Cardiology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
3. Department of Radiology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
4. Department of Cardiology and Cardiovascular Research Institute, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
5. Department of Neurology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China