1. Department of Cardiology, 900 Hospital of The Joint Logistics Team, Fujian Medical University, Fuzhou, Fujian 350025, P.R. China
2. Department of Cadre Health Care, 900 Hospital of The Joint Logistics Team, Fujian Medical University, Fuzhou, Fujian 350025, P.R. China
3. Graduate College of Fujian Medical University, Fujian Medical University Union Hospital, Fuzhou, Fujian 350001, P.R. China