Affiliation: | (1) Department of Anesthesiology, Saiseikai Wakayama Hospital, Wakayama, Japan, JP;(2) Department of Anesthesiology, Japanese Red Cross Society Wakayama Medical Center, Wakayama, Japan, JP;(3) Department of Anesthesiology, Wakayama Medical College, 811-1 Kimiidera, Wakayama 641-0012, Japan, JP |