Funding for this research was provided by:
the Natural Science Foundation of Fujian Province (2017J01238)
Fujian Provincial DeFujian Provincial Matenity and Children’s Hospital Maternity care hospital research (NO.15-30)
Text and Data Mining valid from 2019-03-11
Received: 22 November 2018
Accepted: 27 February 2019
First Online: 11 March 2019
: Fujian Provincial Key Laboratory for Prenatal diagnosis and Birth Defect, Fujian Provincial Maternity and Children’s Hospital, affiliated hospital of Fujian Medical University, Fuzhou, Fujian, China.
: The study was approved by the ethics boards of Fujian Provincial Maternity and Children’s Hospital (N0.12 and No.11), Each patient received written informed consent for participation. All procedures were performed in accordance with the Declaration of Helsinki.
: Informed written consent was obtained from parents for publication for images and other clinical information relating to these cases to be reported for academic purpose.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.