**Author details**

Xiangli Niu1 , Hua Huang1 , Yi Mo1 , Yan Sun1 and Wei-Hua Wang2 \*

1 Research Center for Reproductive Medicine, Reproductive Hospital of Guangxi Zhuang Autonomous Region, Nanning, Guangxi, China

2 Prelude-Houston Fertility Laboratory, Houston, TX, USA

\*Address all correspondence to: wangweihua11@yahoo.com

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