Institution: | (1) Department of Cardiology, Jichi Medical School, Minamikawachi-Machi, 329-04 Tochigi, Japan;(2) Department of Thoracic Surgery, Jichi Medical School, Minamikawachi-Machi, 329-04 Tochigi, Japan;(3) Department of Pathology, Jichi Medical School, Minamikawachi-Machi, 329-04 Tochigi, Japan |