1. Division of Cardiology, Department of Internal Medicine, Iwate Medical University
2. Department of Cardiology, Iwate Prefectural Ofunato Hospital
3. Division of Medical Engineering, Department of Information Science, Iwate Medical University
4. Department of Cardiology, Hachinohe Red Cross Hospital
5. Department of Cardiology, Iwate Prefectural Chubu Hospital
6. Department of Cardiology, Iwate Prefectural Kuji Hospital
7. Department of Cardiology, Iwate Prefectural Miyako Hospital
8. Department of Cardiology, Iwate Prefectural Ninohe Hospital
9. Department of Cardiology, Iwate Prefectural Iwai Hospital
10. Department of Cardiology, Nakadori General Hospital
11. Department of Cardiology, Morioka Red Cross Hospital