Affiliation: | Hisatake Matsumoto, Hiroshi Ogura, Mitsuo Ohnishi, Takeshi Shimazu, Department of Traumatology and Acute Critical Medicine, Osaka University Graduate School of Medicine, Osaka 565-0871, JapanMasafumi Seki, Division of Infection Control and Prevention, Osaka University Graduate School of Medicine, Osaka 565-0871, Japan |