1. Department of Cardiology and Clinical Examination, Oita University Faculty of Medicine
2. Cardiology Division, Japanese Red Cross Fukuoka Hospital
3. Medical Science Department, Daiichi Sankyo Co., Ltd.
4. Safety and Risk Management Department, Daiichi Sankyo Co., Ltd.
5. Division of Biostatistics and Clinical Epidemiology, University of Toyama Graduate School of Medicine and Pharmaceutical Sciences
6. Division of Cardiology, Saiseikai Kumamoto Hospital Cardiovascular Center