1. Faculty of Nursing, Kyoto Gakuen University; Kyoto Japan
2. Faculty of Nursing, Ishikawa Prefectural Nursing University; Ishikawa Japan
3. Department of Community Medicine, Nara Medical University; Nara Japan
4. Faculty of Nursing, Osaka Aoyama University; Osaka Japan
5. Graduate School of Medicine, Division of Health Sciences, Osaka University; Osaka Japan