[1] Huazhong Univ Sci & Technol, Tongji Hosp, Tongji Med Coll, Dept Nursing, Wuhan, Hubei, Peoples R China
[2] Huazhong Univ Sci & Technol, Union Hosp, Tongji Med Coll, Dept Neurosurg, Wuhan, Hubei, Peoples R China
[3] Huazhong Univ Sci & Technol, Tongji Med Coll, Sch Publ Hlth, Dept Social Med & Hlth Management, Wuhan, Hubei, Peoples R China
[4] Peking Univ Third Hosp, Dept Tradit Chinese Med, Beijing, Peoples R China
[5] Sun Yat Sen Univ, Sch Nursing, Guangzhou, Guangdong, Peoples R China
[6] Osaka Univ, Res Inst Microbial Dis, Dept Virol, Suita, Osaka, Japan