Department of Pharmacology
Osaka Medical College, Takatsuki City, Osaka 569-8686, Japan b, Department of Thoracic and Cardiovascular Surgery, Osaka Medical College, Takatsuki City, Osaka 569-8686, Japan c, Department of Pathology, Hoshigaoka Koseinenkin Hospital, 4-8-1, Hoshigaoka, Hirakata City, Osaka 573-8511, Japan d, Department of Thoracic Surgery, Hoshigaoka Koseinenkin Hospital, 4-8-1, Hoshigaoka, Hirakata City, Osaka 573-8511, Japan