Affiliation: | (1) First Department of Surgery, Oita Medical University, 1-1 Idaigaoka, Hasama-machi, Oita 879-5593, Japan, JP;(2) Second Department of Internal Medicine Oita Medical University, Oita, Japan, JP;(3) Department of Anesthesiology, Oita Medical University, Oita, Japan, JP;(4) Department of Pathology, Oita Medical University, Oita, Japan, JP |