1. Department of Life and Medical Science, Doshisha University, Kyotanabe & Daijukai Hospital
2. Department of Cardioangiology, Kitasato University School of Medicine
3. Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine
4. Department of Cardiovascular Medicine, Kyoto University Graduate School of Medicine
5. Imizu City Hospital
6. Saitama Medical Center, Jichi Medical University
7. Department of Internal Medicine, Cardiovascular Center, Nippon Medical School Chiba-Hokusoh Hospital
8. EBM Research Center, Graduate School of Medicine, Kyoto University