Ji, Yunxiang
Wang, Qian
Zhao, Qian
Zhao, Shuwei
Li, Li
Sun, Guangbin
Funding for this research was provided by:
Shanghai Municipal Population and Family Planning Commission (201444)
Natural Science Foundation of Shanghai (17ZR1438900)
Scientific and Innovative Action Plan of Shanghai (18431902800)
Article History
Received: 8 August 2019
Revised: 10 September 2019
Accepted: 17 September 2019
First Online: 4 November 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors.