1. Division of Hypertension and Nephrology; National Cerebral and Cardiovascular Center; Suita City; Osaka; Japan
2. Division of Transplantation; National Cerebral and Cardiovascular Center; Suita City; Osaka; Japan
3. Third Department of General Medicine; Kawasaki Hospital, Kawasaki Medical School; Okayama City; Okayama; Japan
4. Division of Adult Cardiac Surgery; National Cerebral and Cardiovascular Center; Suita City; Osaka; Japan