1. Department of Pathophysiology, Faculty of Medicine, Oita University, Yufu 879-5593, Japan
2. Department of Medicine, Faculty of Medicine, Oita University, Yufu 879-5593, Japan
3. Department of Forensic Medicine, Faculty of Medicine, Oita University, Yufu 879-5593, Japan
4. Department of Cardiology and Clinical Examination, Faculty of Medicine, Oita University, Yufu 879-5593, Japan
5. Department of Anatomy, Faculty of Medicine, Oita University, Yufu 879-5593, Japan
6. Department of Plastic, Reconstructive and Aesthetic Surgery, Nippon Medical School, Tokyo 113-8602, Japan
7. Department of Legal Medicine, Nihon University School of Medicine, Tokyo 173-8610, Japan