Lin, Wei-wei
Li, Xi-wen
Jiao, Zheng
Zhang, Jin
Rao, Xin
Zeng, Da-yong
Lin, Xin-hua
Wang, Chang-lian http://orcid.org/0000-0003-2398-0876
Funding for this research was provided by:
the Guidance Project of Fujian Science and Technology Department (2017Y0033)
Weak Discipline Construction Project of Shanghai Municipal Health and Family Planning Commission (2016ZB0301-01)
Young and Middle-aged Backbone Personnel Training Project of Fujian Province Health and Family Planning Commission (2016-ZQN-38)
Science Foundation of Youths Project of Fujian Province Health and Family Planning Commission (2016-1-56)
Article History
Received: 7 May 2018
Accepted: 7 November 2018
First Online: 19 November 2018
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.