1. Department of Neurology and Cerebrovascular Medicine; Saitama Medical University International Medical Center; Hidaka, Saitama Japan
2. Department of Pediatric Cardiology; Saitama Medical University International Medical Center; Hidaka, Saitama Japan
3. Department of Pediatric Cardiovascular Surgery; Saitama Medical University International Medical Center; Hidaka, Saitama Japan
4. Department of Pathology; Saitama Medical University International Medical Center; Hidaka, Saitama Japan