1. Department of Emergency, First Hospital Affiliated to Kunming Medical University, Kunming, China
2. Intensive Care Unit, The Third Affiliated Hospital of Kunming Medical University, Kunming, China
3. Department of Elderly Cardiovascular Diseases, First Hospital Affiliated to Kunming Medical University, Kunming, China
4. Yunnan Green Field Biological Pharmaceutical Co., Ltd., Kunming, China
5. Department of Postgraduate, Kunming Medical University, Kunming, China