1. Research Center for Social Science & Medicine, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
2. Department of Physical and Health Education, Graduate School of Education, The University of Tokyo, Tokyo, Japan
3. Central Institute of Mental Health, Department of Genetic Epidemiology in Psychiatry, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
4. Department of Psychiatry, College of Health Sciences, University of Alberta, Edmonton, Alberta, Canada
5. Neuroscience and Mental Health Institute, University of Alberta, Edmonton, Alberta, Canada