world health organization (who) reports that five of the ten most burdensome diseases in the world involve mental health. in addition to saudi government and educational institutions, this research involves international collaboration with harvard university, the university of michigan, and the world health organization. the study, which was initiated in 2009, had the goal of visiting the homes of 5,000 men and women to interview people from across the country. 86% of interviewees were willing to participate.