1. Department of Cardiology, Faculty of Medicine, Kindai University , 377-2, Ohnohigashi, Osakasayama 5898511 , Japan
2. Department of Forensic Medicine, Faculty of Medicine, Kindai University , 377-2, Ohnohigashi, Osakasayama 5898511 , Japan
3. Cancer Control Center, Osaka International Cancer Institute , 3-1-69, Otemae, Chuo-ku, Osaka 5418567 , Japan