Hou, Yamin
Yun, Lin
Zhang, Lihua
Lin, Jingru
Xu, Rui
Funding for this research was provided by:
Shandong Provincial Natural Science Foundation, China (No. ZR2014HP046)
Shandong Provincial Science and Technology Development Programme Foundation, China (No. 2017WS462)
Shandong Provincial Key Research and Development Programme Foundation, China (No. 2018GSF118009)
Technology Programme Foundation of Jinan, China (No. 201821007)
Article History
Received: 20 November 2019
Accepted: 12 March 2020
First Online: 3 April 2020
Ethics approval and consent to participate
: The ethics committee of Jinan maternity and child care hospital approved the study, and all patients gave written informed consent for participating in the study.
: Not applicable.
: No benefits in any form have been received or will be received from a commercial party related directly or indirectly to the subject of this article.