Footnotes

• Twitter @housseinelhajj3

• Contributors AC, FN, HEH, CMG, and DH conceived of the presented idea. AC, FN, HEH, CMG and DH developed the subject and performed the literature review. AC and HEH wrote the manuscript. AC and FN supervised the manuscript writing. AC, FN, HEH, CMG, and DH revised the manuscript. All co-authors agreed on the final version of the manuscript.

• Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

• Competing interests None declared.

• Provenance and peer review Not commissioned; internally peer reviewed.