1. Department of Community Health and Epidemiology (K.O., K.S., N.K.), Nara 634-8521, Japan;
2. Department of Nursing (J.I.), Tenri Health Care University, Nara 632-0018, Japan;
3. Center for Academic Industrial and Governmental Relations (N.T.), Nara 634-8521, Japan;
4. Osaka City University Graduate School of Medicine (K.T.), Osaka 545-8585, Japan;
5. Department of Neurology (H.K.), Nara 634-8521, Japan;
6. Department of Psychiatry (M.M.), Nara Medical University School of Medicine, Nara 634-8521, Japan;
7. Mie Prefectural Mental Care Center (M.M.), Mie 514-0818, Japan