[1] Fukushima Med Univ, Dept Radiat Disaster Med, Fukushima 9601295, Japan
[2] Fukushima Med Univ Hosp, Dept Disaster Med, Fukushima 9601295, Japan
[3] Fukushima Med Univ, Dept Hyg & Prevent Med, Fukushima 9601295, Japan
[4] Nagasaki Univ Hosp, Acute & Crit Care Ctr, Nagasaki 8528501, Japan
[5] Fukushima Med Univ, Futaba Emergency Med Support Ctr, Fukushima 9601295, Japan