Qu, Qingxi
Wang, Limei
Bing, Weidong
Bi, Yanwen
Zhang, Chunmei
Jing, Xuanxuan
Liu, Linghong http://orcid.org/0000-0003-2637-0408
Article History
Received: 25 August 2020
Accepted: 16 October 2020
First Online: 2 November 2020
Ethics approval and consent to participate
: All experiments in the present study were in compliance with the Guide for the Care and Use of Laboratory Animals published by the National Institutes of Health (NIH Publication 86–23, revised 1985). The experimental protocol about animals was approved by the Ethical Committee and the Institutional Animal Care and Use Committee of Qilu Hospital of Shandong University. Human umbilical cords were collected from informed, consenting delivery woman. The collection and use of human tissue was approved by the Ethical Committee of Qilu Hospital of Shandong University.
: Not applicable.
: On behalf of all authors, the corresponding author states that there is no conflict of interest.