Xiao, Xiao
Li, Weiwei
Rong, Dingchao
Xu, Zhenchao
Zhang, Zhen
Ye, Hongru
Xie, Liqiong
Wu, Yunqi
Zhang, Yilu
Wang, Xiyang
Article History
Received: 29 December 2020
Revised: 15 June 2021
Accepted: 7 July 2021
First Online: 11 August 2021
Ethics approval
: All animal operations were in accordance with the operating standards of laboratory animals established by the animal ethics committee of the Xiangya Hospital of Central-South University. All efforts were made to minimize the animal suffering. Informed consent was signed by each umbilical cord donor.
: The authors declare no competing interests.