[1] Kyushu Univ Hosp, Dept Anesthesiol & Crit Care Med, 3-1-1 Maidashi,Higashi Ku, Fukuoka 8128582, Japan
[2] Saiseikai Fukuoka Gen Hosp, Dept Anesthesia, 1-3-46 Tenjin,Chuo Ku, Fukuoka 8100001, Japan
[3] St Marys Hosp, Dept Anesthesia, 422 Tsubukuhonmachi, Fukuoka 8308543, Japan
[4] Kyushu Univ Hosp, Dept Crit Care, 3-1-1 Maidashi,Higashi Ku, Fukuoka 8128582, Japan
[5] Kyushu Univ Hosp, Operating Rooms,3-1-1 Maidashi,Higashi Ku, Fukuoka 8128582, Japan
[6] Kyushu Univ Hosp, Med Informat Ctr, 3-1-1 Maidashi,Higashi Ku, Fukuoka 8128582, Japan