1. Department of Cardiology, Teikyo University
2. Department of Cardiology, Mitsui Memorial Hospital
3. Division of Cardiology, Ootakanomori Hospital
4. Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine
5. Department of Cardiovascular Medicine, The University of Tokyo Hospital
6. Department of Cardiology, Tokai University Hospital
7. Department of Cardiovascular Medicine, Shiga University of Medical Science
8. Abbott Vascular
9. Department of Cardiovascular Medicine/Graduate School of Medicine, Kyoto University