1. Department of Pathology; Nihon University School of Medicine; Tokyo; Japan
2. Department of Pathology; Saitama Medical University; Moroyama; Japan
3. Division of Neurology; Department of Medicine; Nihon University School of Medicine; Tokyo; Japan
4. University Research Center (Neurology); Nihon University School of Medicine; Tokyo; Japan
5. Department of Thoracic Surgery; Saitama Cardiovascular and Respiratory Center; Kumagaya; Japan
6. Division of Diagnostic Pathology; Saitama Cardiovascular and Respiratory Center; Kumagaya; Japan
7. Department of Laboratory Medicine and Pathology; Mayo Clinic Arizona; Scottsdale; Arizona; USA