Jin, Chang’e
Xiao, Liang
Zhou, Zeqiang
Zhu, Yan
Tian, Geng
Ren, Shuhua
Funding for this research was provided by:
Sanming Project of Shenzhen Health and Family Planning Commission (SZSM201512016)
Article History
Received: 20 September 2018
Accepted: 6 May 2019
First Online: 5 June 2019
Compliance with ethical standards
:
: The authors declare that they have no competing interest.