[1] Japanese Red Cross Kyushu Int Coll Nursing, Dept Crit Care & Disaster Nursing, Munakata, Fukuoka, Japan
[2] Sapporo City Univ, Sch Nursing, Dept Acute & Crit Care Nursing, Sapporo, Hokkaido, Japan
[3] Ibaraki Christian Univ, Dept Adult Hlth Nursing, Coll Nursing, Hitachi, Ibaraki, Japan
[4] Sapporo Med Univ Hosp, Intens Care Unit, Sapporo, Hokkaido, Japan