1. School of Nursing, Chengdu Medical College, Chengdu 610500, Sichuan, China
2. Pidu District People’s Hospital, Chengdu 611730, Sichuan, China
3. The Clinical Medical College and First Affiliated Hospital of Chengdu Medical College, Chengdu 610500, Sichuan, China
4. School of Nursing, Jinan University, Guangzhou 510632, Guangdong, China