Fan, Dongchen
Pang, Shuchao
Chen, Jing
Shan, Jiping
Cheng, Qianjin
Funding for this research was provided by:
National Natural Science Foundation of China (81370271, 81870279)
Taishan Scholar Foundation of Shandong Province (tshw201502063)
Article History
Received: 21 September 2020
Accepted: 24 June 2021
First Online: 30 June 2021
Declarations
:
: This study protocol was approved by the hospital Human Ethic Committee. Written consents were signed by the parents of participants.
: Not applicable.
: The authors declare that they have no competing interests.