1. Division of Intensive and Cardiac Care Unit, Nippon Medical School Hospital
2. Diagnostic Pathology, Nippon Medical School Hospital
3. Department of Internal Medicine, Nippon Medical School Musashi Kosugi Hospital
4. Division of Surgical Pathology, Tokyo Teishin Hospital
5. Division of Cardiology, Hepatology, Geriatrics, and Integrated Medicine, Department of Internal Medicine, Graduate School of Medicine, Nippon Medical School