1. Kanto Gakuin University College of Nursing Yokohama Japan
2. Department of Adult Health Nursing School of Nursing Sapporo City University Sapporo Japan
3. Department of Adult Health Nursing College of Nursing Ibaraki Christian University Hitachi Japan
4. Department of Emergency and Critical Care Medicine Faculty of Medicine University of Tsukuba Tsukuba Japan
5. Ibaraki Western Medical Center Ibaraki Japan