[1] Chengdu Univ Tradit Chinese Med, Sch Nursing, Chengdu, Sichuan, Peoples R China
[2] Sichuan Univ, Inst Disaster Management & Reconstruct, Chengdu 610207, Sichuan, Peoples R China
[3] Chengdu Fifth Peoples Hosp, Dept Infect Dis, Chengdu, Sichuan, Peoples R China
[4] Univ Elect Sci & Technol China, Sichuan Acad Med Sci, Dept Nursing, Chengdu, Sichuan, Peoples R China
[5] Univ Elect Sci & Technol China, Sichuan Prov Peoples Hosp, Sch Med, Chengdu, Sichuan, Peoples R China
[6] Sichuan Univ, West China Sch Med, West China Hosp, Dept Nursing, 37 Guoxue Lane, Chengdu, Sichuan, Peoples R China
[7] Swiss Parapleg Res, Nottwil, Switzerland
[8] Univ Lucerne, Dept Hlth Sci & Hlth Policy, Luzern, Switzerland