Funding for this research was provided by:
National Basic Research Program of China (973 Program) (2016YFC1000703, 2016YFC1000700)
Text and Data Mining valid from 2019-12-01
Received: 14 November 2018
Accepted: 29 November 2019
First Online: 21 December 2019
Ethics approval and consent to participate
: This study was performed with the approval of Medical Ethics Committee of Dalian Maternal and Child Health Care Hospital, and written informed consent was obtained from the patient.
: The patient in this case report had provided her consent for publication.
: The authors declare no conflict of interest.