ACKNOWLEDGMENT
The researcher thanks the Director and staff of Africa center for HIV/ AIDS Management, for their continuous encouragement & support. The author also acknowledges the great help received from the scholars whose articles cited and included in references of this manuscript. The researcher is also grateful to authors/editors/publishers of all those articles, journals and books from where the literature for this article has been reviewed and discussed. The author is grateful to the editorial board members and team of reviewers who have helped to bring quality to this manuscript.