1. Division of Cardiovascular MedicineNagoya Heart CenterAichi Japan
2. Division of CardiologySaitama Prefecture Cardiovascular and Respiratory CenterSaitama Japan
3. Cardiology DepartmentSaitama Sekishinkai HospitalSaitama Japan
4. Department of CardiologySaiseikai Yokohama‐City Eastern HospitalKanagawa Japan
5. Division Of CardiologySakurabashi‐Watanabe HospitalOsaka Japan
6. Cardiovascular CenterJapan Community Health care Organization Hokkaido HosptalHokkaido Japan
7. Division of CardiologySapporo Cardiovascular ClinicHokkaido Japan
8. Cardiovascular CenterKyoto Katsura HospitalKyoto Japan
9. Department of CardiologyTakase ClinicGunma Japan
10. Department of CardiologyToyohashi Heart CenterAichi Japan