- Correspondence to Professor Feng Zhang, Obstetrics and Gynecology Hospital, State Key Laboratory of Genetic Engineering at School of Life Sciences, Fudan University, Shanghai 200011, China; and Dr Yunxia Cao, Reproductive Medicine Center, Department of Obstetrics and Gynecology, The First Affiliated Hospital of Anhui Medical University, Hefei 230022, China;
- Received May 17, 2018
- Revised September 27, 2018
- Accepted September 29, 2018
- First published November 10, 2018.
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