Xue, Ying
Jia, Xuebing
Li, Changcan http://orcid.org/0000-0002-3555-7816
Zhang, Ke
Li, Lei
Wu, Jinhuan
Yuan, Jian
Li, Qi
Funding for this research was provided by:
National Natural Science Foundation of China (81572310, 81572310, 81572310, 81572310, 81572310, 81572310, 81572310, 81572310)
Outstanding disciplines leaders of Shanghai Municipal Commission of Health and Family Planning
Article History
Received: 28 December 2018
Revised: 3 September 2019
Accepted: 4 October 2019
First Online: 25 October 2019
Conflict of interest
: The authors declare that they have no conflict of interest.