1. Organization for Promotion of Tenure Track, University of Miyazaki, 5200 Kihara, Kiyotake, Miyazaki, Miyazaki Prefecture 889-1692, Japan
2. Division of Psychiatric and Mental Health Nursing, Graduate School of Nursing, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba, Chiba Prefecture 260-8672, Japan
3. Inpatient Psychiatric Unit, Chiba University Hospital, 1-8-1 Inohana, Chuo-ku, Chiba, Chiba Prefecture 260-8677, Japan
4. Department of Psychiatric and Mental Health Nursing, Graduate School of Nursing, University of Miyazaki, 5200 Kihara, Kiyotake, Miyazaki, Miyazaki Prefecture 889-1692, Japan
5. Department of Cognitive Behavioral Physiology, Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba, Chiba Prefecture 260-8670, Japan
6. Department of Nursing, Faculty of Health Sciences, Kagawa Prefectural University of Health Sciences, 281-2 Murechohara, Takamatsu, Kagawa Prefecture 761-0123, Japan
7. Department of Mental Health and Psychiatric Nursing, Graduate School of Comprehensive Human Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki Prefecture 305-8577, Japan