1. Department of Cardiology, Tianjin Union Medical Center, Nankai University Affiliated Hospital, Tianjin, China (mainland)
2. School of Graduate Studies, Tianjin University of Traditional Chinese Medicine, Tianjin, China (mainland)
3. School of Medicine, Nankai University, Tianjin, China (mainland)
4. Department of Cardiology, Tianjin Union Medical Center, Nankai University Afliated Hospital, Tianjin, China (mainland)