[1] Fudan Univ, Sch Nursing, Shanghai, Peoples R China
[2] Fudan Univ, Sch Publ Hlth, Shanghai, Peoples R China
[3] Fudan Univ, Shanghai Publ Hlth Clin Ctr, Sci Res Ctr, 2901 Caolang Rd, Shanghai 201508, Peoples R China
[4] Fudan Univ, Shanghai Publ Hlth Clin Ctr, Dept Infect Dis, Shanghai, Peoples R China