Received: 4 January 2020
Accepted: 6 November 2020
First Online: 8 December 2020
Ethics approval and consent to participate
: The trial was based on Master of Science thesis approved by Pediatric Department Committee for Post-Graduate Studies and Research, and by Post-Graduate Studies and Research administration, Faculty of Medicine, Cairo University, Egypt. The reference number is not applicable as this was applied 5 months ago while our research was done before that. Thesis was approved in 20 May 2018. Written consents were obtained from parents of study participants.Investigations and all lines of treatments were clarified.
: Not applicable.
: There is no financial nor non-financial competing interests.