Funding for this research was provided by:
The World Academy of Sciences (RGA No.16-040 RG/BIO/AF/AC_I- FR3240293321)
Text and Data Mining valid from 2020-03-04
Received: 2 July 2019
Accepted: 17 February 2020
First Online: 4 March 2020
Ethics approval and consent to participate
: The study was approved by the institutional “Comité d’Ethique de la Recherche en Sciences de la Santé” (CERSSA) (N° 032/CERSSA-2015). Before the recruitment, the project objectives, methodology and expected results have been explained to patients and/or theirs parents/guardians. Written and signed informed consent was obtained from all study participants or their parents or guardians.
: Not applicable.
: The authors declare that they have no competing interests.