1. Department of Cardiovascular Medicine Gunma University Graduate School of Medicine Maebashi Japan
2. Division of Integrated Oncology Research Gunma University Initiative for Advanced Research Maebashi Japan
3. Department of Cardiovascular Medicine National Hospital Organization Takasaki General Medical Center Takasaki Japan
4. Department of Cardiovascular Medicine Japanese Red Cross Maebashi Hospital Maebashi Japan
5. Gunma University Maebashi Japan