1. The Intensive Care Unit; Affiliated Hospital of Guangdong Medical University; Zhanjiang PR China
2. Guangdong Key Laboratory of Age-Related Cardiac and Cerebral Diseases; Affiliated Hospital of Guangdong Medical University; Zhanjiang PR China
3. The Department of Clinical Laboratory; Affiliated Hospital of Guangdong Medical University; Zhanjiang PR China
4. The Department of Stomatology; Affiliated Hospital of Guangdong Medical University; Zhanjiang PR China
5. Institute of Clinical Medicine; Jinan University; Guangzhou PR China