Received: 23 April 2021
Accepted: 8 June 2021
First Online: 10 August 2021
: This study was approved by the Ethics Committee of the Third Affiliated Hospital, Sun Yat-Sen University in accordance with the Declaration of Helsinki. Written informed consent was obtained from all patients or patients’ parents/guardians for use of their clinical data.
: M.H.Z. informed the patients that their clinical and personal details would be published in a journal, and written informed consent for publication was obtained from the patients.
: The authors declare that they have no conflicts of interest.