Aiwen Le1, Zhonghai Wang2, Lili Shan1, Tianhui Xiao1, Rong Zhuo1, Guangnan Luo3. 1. Department of Obstetrics and Gynecology, Affiliated Shenzhen Nanshan People's Hospital of Guaongdong Medical University, Shenzhen, 518052, Guangdong, China. 2. Department of Obstetrics and Gynecology, Affiliated Shenzhen Nanshan People's Hospital of Guaongdong Medical University, Shenzhen, 518052, Guangdong, China. leaiwen19@126.com. 3. Department of Obstetrics and Gynecology, Affiliated Shenzhen Luohu People's Hospital of Guaongdong Medical University, Shenzhen, 518052, Guangdong, China.
Retraction to: Eur J Med Res (2015) 20:69 DOI 10.1186/s40001-015-0165-x
The authors are retracting this article [1], because of errors in the data that undermine the conclusions of the study. The errors, which were discovered during a follow-up study, resulted from the data-searching methods used and a problem with a computer program.