Chouaîb Doukkali University, Higher School of Education and Training, Science and Technology Team, El Jadida, Morocco (Mr Guennouni); Laboratory of Health Sciences and Technologies, Higher Institute of Health Sciences of Settat, Hassan First University of Settat, Settat, Morocco (Messrs Guennouni, Elkhoudri and Hilali); Faculty of Medicine and Pharmacy of Marrakech, Cadi Ayyad University, Marrakech, Morocco (Messrs Bourrahouat, Admou, Belghali, and Qadiry); Pediatrics and Dietary, University Hospital Centre Mohamed VI of Marrakesh, Marrakech, Morocco (Messrs Bourrahouat and Qadiry); and Immunology Laboratory, University Hospital Centre Mohamed VI of Marrakesh, Marrakech, Morocco (Messrs Admou and Belghali).

Correspondence: Morad Guennouni, Laboratory of Health Sciences and Technologies, Higher Institute of Health Sciences of Settat, Hassan First University of Settat, Settat, Morocco ([email protected]; [email protected]).

We would like to thank the dietetic nurses of the CHU of Marrakech.

Verbal informed consent was obtained from all patients. Verbal consent was witnessed and formally recorded.

The lead author claims that this article is an honest, accurate, and transparent account of the reported study. The report of this work complies with the directives. The lead author affirms that no important aspect of the study has been omitted and that any deviation from the study as planned explained.

The authors have disclosed that they have no significant relationships with, or financial interest in, any commercial companies pertaining to this article.