Received: 23 December 2022
Accepted: 18 April 2023
First Online: 28 April 2023
: The authors declare that they have no competing interests.
: The families gave informed consent before withdrawal of blood samples and written informed consent was obtained and signed by all parents of the studied patients, in addition the verbal consent was also obtained during consultation.The study was approved by the ethics committees for scientific research of the La Rabta Hospital, Tunis, Tunisia; no reference number was issued.All procedures were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1975, as revised in 2000 and approved by the Ethics Committees of the respective Tunisian hospitals.
: Written informed consent for publication of their clinical details and/or clinical images was obtained from the parents. Copies of the consent forms are available for review by the Editor of this journal.