1. Graduate School of Human Development and Environment Kobe University Kobe Hyogo Japan
2. Department of Preventive Gerontology National Center for Geriatrics and Gerontology Obu Aichi Japan
3. Faculty of Wellness Studies Kwassui Women's University Nagasaki Nagasaki Japan
4. Graduate School of Health and Sport Sciences Chukyo University Toyota Aichi Japan
5. Institute for Gerontology J. F. Oberlin University Machida Tokyo Japan