Received: 1 June 2020
Accepted: 6 October 2020
First Online: 10 October 2020
Ethics approval and consent to participate
: Written informed consent was obtained from a parent or guardian for all subjects. The study was approved by The Human Ethics Committees of the Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology (TJ-IRB20190308).
: We have received informed consent from all subjects’ parents or suitable proxies for publication of this paper and the written consent is held by our institution.
: We have no conflicts of interest to disclose.