Document is current

funding

: Research Grant Program funded by Arab Open University – Oman in the year 2021.

conflicts_of_interest

: Authors should declare all competing interests in relation to their work.

ethics_approval

: This is only a review paper.

consent-to-participate

: Not applicable

consent-for-publication

: Not applicable

availability_of_data_and_material

: Not applicable

authors_contributions

: All the four authors have contributed for the development of the paper in terms of collecting, analyzing the literature. Also contributed to the structuring the paper.

code_availability

: Not applicable