1. Department of Cardiology; The First Affiliated Hospital of Sun Yat-Sen University; Guangzhou China
2. Key Laboratory of Assisted Circulation, Ministry of Health; The First Affiliated Hospital of Sun Yat-Sen University; Guangzhou Guangdong China
3. Department of Neurology; The First Affiliated Hospital of Sun Yat-Sen University; Guangzhou Guangdong China
4. Department of Nuclear Medicine; The First Affiliated Hospital of Sun Yat-Sen University; Guangzhou Guangdong China