Funding for this research was provided by:
National Natural Science Foundation of China (81471432, 81771645)
Text and Data Mining valid from 2018-04-04
Received: 25 January 2018
Accepted: 8 March 2018
First Online: 4 April 2018
Ethics approval and consent to participate
: This study was approved by the Institutional Ethics Committee of the Reproductive and Genetic Hospital of Citic-Xiangya, and written informed consent was obtained from all participants prior to genetic analysis.
: Written informed consent for publication of the images was obtained from the mother of these patients.
: The authors declare that they have no competing interests.
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