Received: 15 January 2021
Accepted: 14 February 2021
First Online: 11 March 2021
Ethics approval and consent to participate
: Ethics approval was obtained from the ethics committee of Tehran University of Medical Sciences. A written informed consent form to publish the data was read and signed by the patient. All methods were in accordance with accepted national and international guidelines and regulations.
: Written consent was obtained from all parents/legal guardians, and patients who were all minor before surgery were also asked for their assent. Also, informed consent for publication of identifying information/images in an online open-access publication was obtained. Documentation of the written consent will be provided to the journal upon request.
: The authors declare no competing interests.