1. Faculty of Nursing, School of Medicine Tokai University Isehara‐shi Kanagawa Japan
2. Department of Nursing Systems Management, Graduate School of Nursing Chiba University Chiba‐shi Chiba Japan
3. Faculty of Nursing and Medical Care Keio University Fujisawa‐shi Kanagawa Japan
4. St. Marianna University Hospital Kawasaki‐shi Kanagawa Japan
5. Department of Nursing Science, Faculty of Health Sciences Tokyo Metropolitan University Arakawa‐ku Tokyo Japan