1. Pulmonary Hypertension Center, International University of Health and Welfare Mita Hospital
2. Department of Healthcare Quality Assessment, Graduate School of Medicine, The University of Tokyo
3. Department of Cardiology, Kyorin University School of Medicine
4. Department of Health Policy and Management, Keio University School of Medicine
5. Department of Clinical Science, National Hospital Organization Okayama Medical Center
6. Department of Advanced Medicine in Pulmonary Hypertension, Graduate School of Medicine, Chiba University
7. Department of Cardiology, The University of Tokyo Hospital
8. Division for Health Service Promotion, The University of Tokyo
9. Department of Cardiovascular Medicine, Kyushu University Hospital
10. First Department of Medicine, Hokkaido University School of Medicine
11. Department of Cardiology, Keio University School of Medicine
12. Second Department of Internal Medicine, Nara Medical University
13. Department of Allergy and Rheumatology, Nippon Medical School Graduate School of Medicine
14. Department of Respirology, Graduate School of Medicine, Chiba University