Zhou Xianyia, Li Weib, Lin Hairuia, Tan Yingyuna, Fu Xiaodonga*
aDepartment of Obstetrics, The Affiliated Hospital of Southwest Medical University, Luzhou, 646000, Sichuan, China
bDivision of Neonatology, Department of Pediatrics, The Affiliated Hospital of Southwest Medical University, Luzhou, 646000, Sichuan, China.
XiaoDong Fua *- Corresponding author:
Address: Department of Obstetrics, the Affiliated Hospital of Southwest Medical University, No. 8, Section 2, Kangcheng Road, Luzhou, Sichuan, 646000, China
Phone and fax numbers: +8618090182528, 0830-3161658
E-mail:dongerfu@163.com