Huang, Cuiqin MM∗; Fan, Yajing MA∗; Hu, Sanlian MA†
∗Department of Obstetrics
†Nursing Department, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China.
Send reprint requests to Sanlian Hu, MA, Nursing Department, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Xuhui District, Shanghai 200233, China. E-mail: [email protected].
Cuiqin Huang and Yajing Fan contributed equally to this work.