1. Department of CardiologyKeio University School of MedicineTokyoJapan
2. Department of RadiologyKeio University School of MedicineTokyoJapan
3. Division of CardiologyDepartment of Internal Medicine IIKyorin University School of MedicineJapan
4. Division of Medical Genetics Department of PediatricsKeio University School of MedicineTokyoJapan