[1] Kurashiki Cent Hosp, Emergency & Crit Care Ctr, 1-1-1 Miwa Kurashiki, Okayama 7100052, Japan
[2] JA Hiroshima Gen Hosp, Dept Emergency & Intens Care Med, Hiroshima, Japan
[3] Nara Prefecture Gen Med Ctr, Div Crit Care Med, Nara, Japan
[4] Tokyo Bay Urayasu Ichikawa Med Ctr, Emergency & Crit Care Med, Chiba, Japan
[5] Osaka City Gen Hosp, Emergency & Crit Care Med Ctr, Osaka, Japan
[6] Kobe City Med Ctr Gen Hosp, Dept Anesthesia & Crit Care, Kobe, Hyogo, Japan
[7] Asahikawa Red Cross Hosp, Dept Med Engn, Asahikawa, Hokkaido, Japan
[8] Aso Iizuka Hosp, Dept Intens Care Med, Fukuoka, Japan
[9] Ogaki Municipal Hosp, Dept Nursing, Gifu, Japan
[10] Tosei Gen Hosp, Dept Emergency & Intens Care Med, Intens Care Unit, Seto, Aichi, Japan
[11] Natl Hosp Org, Kyoto Med Ctr, Dept Emergency & Crit Care Med, Kyoto, Japan
[12] Urasoe Gen Hosp, Dept Emergency & Crit Care Med, Urasoe, Okinawa, Japan
[13] Yokohama City Minato Red Cross Hosp, Dept Emergency & Crit Care Med, Yokohama, Kanagawa, Japan
[14] Nerima Hikarigaoka Hosp, Dept Crit Care Med, Tokyo, Japan
[15] Saitama Red Cross Hosp, Adv Emergency & Crit Care Ctr, Saitama, Japan
[16] Niigata Seiryo Univ, Dept Clin Psychol, Grad Sch, Niigata, Japan
[17] Clement J Zablocki VA Med Ctr, Gen Med Div, Milwaukee, WI USA