Retraction Note: J Ovarian Res 9, 57 (2016)
10.1186/s13048-016-0266-3
The Editor-in-Chief has retracted this article. After publication, the authors informed the journal that the associated data and documents were lost to technical issues. Therefore, the authors are no longer able to provide the raw data or evidence of ethics approval and patient consent.
None of the authors have responded to any correspondence from the editor or publisher about this retraction notice.
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Zhi-jun Yang and Bing-bing Zhao contributed equally to this work.