1. Department of Mental HealthGraduate School of Medicine, The University of TokyoJapan
2. Occupational Health Training CenterUniversity of Occupational and Environmental HealthJapan
3. Department of EpidemiologyGraduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama UniversityJapan
4. Department of Social and Environmental Medicine (Hygiene)Kanazawa Medical UniversityJapan
5. Ishikawa Health Service Association, Tokyo Healthcare UniversityJapan
6. Division of Nursing, Faculty of HealthcareTokyo Healthcare UniversityJapan
7. Department of Psychiatric NursingGraduate School of Medicine, The University of TokyoJapan
8. Department of Epidemiology and Public HealthUniversity College LondonUK