Affiliation: | 1 Department of Gastroenterological Surgery, Hirosaki University Graduate School of Medicine, Hirosaki 036-8562, Japan 2 Department of Biochemistry and Genome Biology, Hirosaki University Graduate School of Medicine, Hirosaki 036-8562, Japan 3 Department of Medical Technology, Hirosaki University Graduate School of Health Sciences, Hirosaki 036-8564, Japan |