Received: 17 May 2020
Accepted: 3 November 2020
First Online: 3 December 2020
Ethics approval and consent to participate
: The study was approved by the ethical committee of Xin Hua Hospital affiliated to Shanghai Jiao Tong University School of Medicine. Written informed consent was obtained from all recruited subjects or their legal guardians (Approval No. XHEC-D-2020-025).
: All authors agreed on the manuscript.
: The authors declare that they have no conflict of interest.