1. Department of Medical Education Graduate School of Medicine, Chiba University Chiba Japan
2. Division of Health Sciences, Department of Evidence‐Based Clinical Nursing Graduate School of Medicine, Osaka University Suita Japan
3. Research Center for Social Science & Medicine Tokyo Metropolitan Institute of Medical Science Setagaya‐ku Japan
4. Faculty of Nursing and Medical Care Keio University Minato‐ku Japan
5. Department of Palliative Nursing, Health Sciences, Graduate School of Medicine Tohoku University Sendai Japan
6. Nursing for Advanced Practice, Division of Integrated Health Sciences Graduate School of Medicine, Nagoya University Nagoya Japan
7. Faculty of Health Sciences Kyorin University Hachioji Japan
8. Gerontological Nursing/End of Life Care in Nursing, School of Nursing Tokyo Womenʼs Medical University Shinjuku‐ku Japan