Li, Shen-Yi
Zhang, Yi
Shen, Ting-Ting
Lu, Tian-Tian
Li, Xi
Funding for this research was provided by:
scientific research fund project of the Health and Family Planning Commission of Hunan Province (20180732)
Article History
Received: 15 February 2022
Accepted: 17 April 2022
First Online: 20 May 2022
Declarations
:
: The authors declare that they have no competing interests.
: This study was approved by the Ethics Committee of People’s Hospital of Hunan Province. All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and national research committee and with the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards. All participants provided written informed consent.
: Not applicable.
: Not applicable.