Funding for this research was provided by:
Technology Innovation Team Train Project of Fuzhou Health Committee in China (2016-S-wp1)
key Clinical Specialty Discipline Construction Program of Fuzhou, Fujian, P.R.C (201610191)
Fuzhou Children’s Medical Center (2018080310)
Received: 3 August 2020
Accepted: 26 October 2020
First Online: 3 November 2020
Ethics approval and consent to participate
: This study was reviewed and approved by the Ethics Committee of Fuzhou Children’s Hospital of Fujian Medical University, and was conducted in agreement with the Declaration of Helsinki Principles. Written informed consent was obtained from a parent or guardian on behalf of any participants under the age of 16.
: Not applicable.
: The authors declare that they have no competing interests.