1. Medical Big Data Research Center, Chinese PLA General Hospital, Beijing, China
2. Department of Automation, Tsinghua University, Beijing, China
3. China National Clinical Research Center for Neurological Diseases & Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
4. Department of Cardiology, the Second Medical Center & National Clinical Research Center of Geriatric Disease, Chinese PLA General Hospital, Beijing, China
5. Department of Radiology, The Sixth Medical Center, Chinese PLA General Hospital, Beijing, China
6. Department of Mathematical Sciences, Lakehead University, 955 Oliver Road, Thunder Bay, ON, Canada