1. Fukushima Medical University; Department of Neurology; 1 Hikarigaoka Fukushima Fukushima Japan 960-1295
2. Japanese Red Cross Nagoya Daini Hospital; Department of General Internal Medicine; Myoken-cho 2-9 Showa-ku Nagoya-shi Aichi Japan 466-8650
3. School of Public Health; Department of Healthcare Epidemiology; Graduate School of Medicine, Kyoto University Yoshida Konoemachi, Sakyo-ku Kyoto-shi Kyoto Japan 606-8501
4. Nara Medical University; Central Operation Room; Shijo-cho 840 Kasahara-shi Nara Japan 634-8522
5. Hyogo Prefectural Amagasaki General Medical Center; Hospital Care Research Unit; Higashi-Naniwa-Cho 2-17-77 Amagasaki Hyogo Japan 606-8550