Zhi, Tian
Zhang, Wei-Ling
Zhang, Yi
Hu, Hui-Min
Huang, Dong-Sheng
Funding for this research was provided by:
Climbing the Peak-Talents Training Plan of Beijing Municipal Administration of Hospitals (DFL20180201)
Article History
Received: 3 August 2020
Accepted: 28 March 2021
First Online: 13 April 2021
Declarations
:
: I confirm that I have read the Editorial Policy pages. This study was conducted with approval from the Ethics Committee of Beijing Tongren Hospital Capital Medical University (TRECKY2019–033). This study was conducted in accordance with the declaration of Helsinki. Written informed consent was obtained from the parents of all participants.
: Not applicable.
: The authors declare that they have no competing interests.