About the Authors

Safaa Tawfik

Affiliation National Nutrition Institute, Ministry of Health, Cairo, Egypt

Nehal El Koofy

Affiliation Department of Pediatrics, Faculty of Medicine, Cairo University, Cairo, Egypt

Eman Mohamed Ibraheim Moawad

eimanmoawad@yahoo.com; Iman.moawad@kasralainy.edu.eg

Affiliation Department of Pediatrics, Faculty of Medicine, Cairo University, Cairo, Egypt

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: ST NEK. Data curation: ST NEK. Formal analysis: EMIM. Investigation: ST NEK EMIM. Methodology: ST. Project administration: ST NEK. Supervision: ST. Validation: ST. Visualization: EMIM. Writing - original draft: EMIM. Writing - review & editing: EMIM NEK.