1. School of Nursing, Sun Yat-sen University, Yuexiu District, Guangzhou, Guangdong, China
2. Department of Nasopharyngeal Carcinoma, Sun Yat-sen University Cancer Center, Guangzhou, Guangdong, China
3. Department of Catheter Clinic, Sun Yat-sen University Cancer Center, Guangzhou, Guangdong, China
4. Department of Nursing, Sun Yat-sen University Cancer Center, Guangzhou, Guangdong, China
5. General Department, Sun Yat-sen University Cancer Center, Guangzhou, Guangdong, China