Funding for this research was provided by:
Chinese Association of STD and AIDS Prevention and Control (PMTCT2018007)
Text and Data Mining valid from 2019-11-27
Received: 16 April 2019
Accepted: 22 October 2019
First Online: 27 November 2019
Ethics approval and consent to participate
: During data collection, verbal consent was obtained from each participant before administering the questionnaires. Ethics approval was obtained from the Institutional Ethics Committee at Women’s Hospital School of Medicine Zhejiang University. (20180117).The ethics committee approved the use of verbal consent obtained from participants.
: Not Applicable
: The authors declare that they have no competing interests.