Funding for this research was provided by:
Natural Science Foundation of China (81370340)
Received: 2 February 2021
Accepted: 8 December 2021
First Online: 28 December 2021
: I confirm that I have read the Editorial Policy pages. The study protocol complied with the Declaration of Helsinki and was approved by the Ethics Committee of Beijing Chao-Yang Hospital and BENQ Medical Centre. All the patients provided written informed consent before study entry.
: All patient guardians signed a document of informed consent.
: The authors declare that they have no competing interests.