Zhou, Jingjing
Zhu, Tong
Zhu, Xuequan
Galling, Britta
Xiao, Le
Article History
Received: 1 February 2021
Accepted: 3 August 2021
First Online: 3 February 2022
Declarations
:
: The study protocol was approved by the Human Research and Ethics Committee of Beijing Anding Hospital in accordance with the Declaration of Helsinki and local clinical traditions and the reference number is (2014) scientific research NO.48. All subjects provided written informed consent before commencement of the study.
: Not applicable.
: The authors declare that they have no competing interests.