Walden Universit y COLLEGE OF HEALTH SCIENCES This is to certify that the doctoral dissertation by Pius Omolewa has been found to be complete and satisfactory in all respects, and that any and all revisions required by the review committee have been made. Review Committee Dr. Mountasser Kadrie, Committee Chairperson, Health Services Faculty Dr. Cheryl Anderson, Committee Member, Health Services Faculty Dr. Mary Lou Gutierrez, University Reviewer, Health Services Faculty Chief Academic Officer Eric Riedel, Ph.D. Walden University 2012