1. Intensive Care Unit, University of Tsukuba Hospital, Tsukuba, Ibaraki, Japan
2. Department of Nursing, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
3. Department of Critical Care and Disaster Nursing, Japanese Red Cross Kyushu International College of Nursing, Munakata, Fukuoka, Japan
4. Department of Nursing, Kyoto University Hospital, Kyoto, Kyoto, Japan
5. Acute Care Nursing Division, Kobe City College of Nursing, Kobe, Hyogo, Japan
6. Department of Fundamental Nursing, Faculty of Nursing, Ishikawa Prefectural Nursing University, Kahoku, Ishikawa, Japan
7. Department of Coronary Care Unit, Hitachi General Hospital, Ibaraki, Japan
8. Department of Acute and Critical Care Nursing, School of Nursing, Sapporo City University, Sapporo, Hokkaido, Japan