Cai, Sheng-Yun
Yang, Tian
Chen, Yu
Wang, Jing-Wen
Li, Li
Xu, Ming-Juan
Funding for this research was provided by:
Shanghai Science Foundation of Health and Family—planning Bureau (201440362)
“1255” Science Development Project of Changhai Hospital (CH125540900)
“1255” Science Development Project of Changhai Hospital (CH125510105)
Article History
Received: 18 May 2015
Accepted: 7 July 2015
First Online: 31 July 2015