1. Department of Cardiovascular Surgery, Osaka University Graduate School of Medicine
2. Department of Chronic Heart Failure Management Global Center for Medical Engineering and Informatics, Osaka University
3. Department of Cardiovascular Medicine, Osaka University Graduate School of Medicine
4. Imizu Municipal Hospital
5. Japan Community Health care Organization Takaoka Fushiki Hospital
6. Kitano Hospital, Tazuke Kofukai Medical Research Institute
7. Department of Medical Innovation, Osaka University Hospital