Received: 27 May 2023
Accepted: 29 June 2023
First Online: 21 July 2023
: All patients and their parents signed an informed consent at admission, indicating their agreement to use their clinical data anonymously for research purposes. The ethics committee of Tehran University of Medical Sciences, Tehran, Iran (IR.TUMS.CHMC.REC.1399.134) approved this study and its methods. All methods were performed in accordance with the declaration of Helsinki and the relevant guidelines and regulations at the Tehran University of Medical Sciences. All data were collected retrospectively from the medical records.
: Not applicable.
: The authors declare that they have no competing interests.