1. Department of Vascular Biology; Institute of Brain Science, Hirosaki University Graduate School of Medicine; Hirosaki; Japan
2. Department of Cardiology, Respiratory Medicine and Nephrology; Hirosaki University Graduate School of Medicine; Hirosaki; Japan
3. Department of Gastroenterology and Hematology; Hirosaki University Graduate School of Medicine; Hirosaki; Japan
4. Department of Pediatrics; Hirosaki University Graduate School of Medicine; Hirosaki; Japan