Affiliation: | (1) Department of Anesthesioloy, Jichi Medical School, Tochigi-ken, Japan;(2) Department of Pediatrics, Jichi Medical School, Tochigi-ken, Japan;(3) Department of Anesthesiology, Jichi Medical School, 3311-1 Yakushiji, Minamikawachi-machi, Kawachi-gun, Tochigi-ken, 329-04, Japan |