1. Author affiliations: Division of Health Sciences, Osaka University Graduate School of Medicine, Osaka, Japan (M. Aoki, S. Yamamoto, H. Arao)
2. Department of Nursing, Faculty of Health and Medical Sciences, Kyoto University of Advanced Science, Kyoto, Japan (Y. Tatsumi)
3. Cancer Clinical Center, Yodogawa Christian Hospital, Osaka, Japan (A. Hatakeyama)
4. Faculty of Nursing, Mukogawa Women’s University, Hyogo, Japan (Y. Minamiguchi)
5. Department of Nursing, Japan Community Health Care Organization Osaka Hospital, Osaka, Japan (M. Toki)
6. Faculty of Nursing, Kansai Medical University, Osaka, Japan (A. Takao)
7. Department of Nursing, Ishikawa Prefectural Central Hospital, Ishikawa, Japan (N. Fujikawa)
8. Department of Nursing, Japanese Red Cross Kyoto Daini Hospital, Kyoto, Japan (K. Asano).