1. Department of Health Promotion National Institute of Public Health Saitama Japan
2. Department of Community Health Nursing, School of Nursing, College of Nursing Art and Science University of Hyogo Hyogo Japan
3. Department of Statistic and Computer Science, College of Nursing Art and Science University of Hyogo Hyogo Japan
4. Department of Community Health Nursing, School of Nursing Chiba Prefectural University of Health Sciences Chiba Japan