1. Registered Nurse; Assistant Professor, School of Nursing, Guangdong Medical University, Guangzhou, Guangdong, People's Republic of China
2. Registered Nurse; Assistant Professor, Department of Nursing, Yichang Central People's Hospital, Yichang, Hubei, People's Republic of China
3. Registered Nurse; Lecturer, Department of Nursing, Zhujiang Hospital of Southern Medical University, Guangzhou, People's Republic of China
4. Registered Nurse; Professor, Department of Clinical Nursing, Nanfang Hospital, Southern Medical University, Guangzhou, People's Republic of China