1. Faculty of Medicine, Department of Public Health University of Toyama Toyama Japan
2. Toyama Regional Center for JECS University of Toyama Toyama Japan
3. Department of Public Health Graduate School of Medicine, Gunma University Maebashi Gunma Japan
4. Department of Liberal Arts and Human Development Kanagawa University of Human Service Yokosuka Kanagawa Japan
5. Faculty of Medicine, Department of Pediatrics University of Toyama Toyama Japan
6. Faculty of Medicine, Department of Obstetrics and Gynecology University of Toyama Toyama Japan