1. Graduate School, Guangzhou University of Traditional Chinese Medicine, Guangzhou 510006, P. R. China
2. Department of Cadre Ward, General Hospital of Southern Theater Command, PLA, Guangzhou 510010, P. R. China
3. Department of Health Medicine, General Hospital of Southern Theater Command, PLA, Guangzhou 510010, P. R. China
4. Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Guangdong Provincial Engineering and Technological Research Centre for Drug Carrier Development, Department of Biomedical Engineering, Jinan University, Guangzhou 510632, P. R. China
5. Department of Burns and Plastic Surgery, General Hospital of Southern Theater Command, PLA, Guangzhou 510010, P. R. China