1. Operating Room, Guangdong Provincial People’s Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, Guangdong, China
2. Guangdong Provincial Hospital of Traditional Chinese Medicine, Guangzhou, Guangdong, China
3. Army Medical University, Shijiazhuang, Hebei, China
4. School of Nursing, Guangzhou Medical University, Guangzhou, Guangdong, China