**Author details**

Cassie T. Wang1 , Xiangli Niu2 , Qiuyan Ruan<sup>2</sup> and Wei-Hua Wang1 \*

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

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

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

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