1. Department of Medicine, Division of Cardiology, Showa University School of Medicine
2. Department of Medicine, Division of Cardiology, Showa University Fujigaoka Hospital
3. Department of Pharmacology, Toxicology and Therapeutics, Division of Physiology and Pathology, Showa University School of Pharmacy
4. Showa University Research Institute for Sport and Exercise Sciences
5. Division of Pharmacology, Faculty of Pharmaceutical Sciences, Teikyo Heisei University
6. Drug treatment Labo., Clinical medicine dept., Yokohama Univ. of Pharmacy