1. Institute of Cardio-Cerebrovascular Medicine, Central Hospital of Dalian University of Technology, Dalian 116024, Liaoning Province, P. R. China
2. School of Mechanical Engineering, Dalian University of Technology, Dalian 116024, Liaoning Province, P. R. China
3. School of Optoelectronic Engineering and Instrumentation Science, Dalian University of Technology, Dalian 116024, Liaoning Province, P. R. China
4. Division of Cardiovascular Disease, Department of Medicine, School of Medicine and Department of Biomedical Engineering, School of Engineering, University of Alabama at Birmingham, Birmingham, AL, USA
5. Department of Bioengineering, University of Louisville, Louisville, KY, USA
6. School of Rehabilitation Medicine, Shandong Second Medical University, Weifang 261053, Shandong Province, P. R. China
7. School of Biomedical Engineering, Faculty of Medicine, Dalian University of Technology, Dalian 116024, Liaoning Province, P. R. China