1. JCS Shock Registry Scientific Committee
2. Department of Cardiovascular Medicine, Kyushu University
3. National Cerebral and Cardiovascular Center
4. Department of Cardiology, Japan Community Healthcare Organization Kyushu Hospital
5. Department of Cardiovascular Medicine, NTT Medical Center
6. Emergency and Critical Care Center, Shinshu University School of Medicine
7. Department of Cardiology, Tokyo Medical University Hachioji Medical Center
8. Division of Cardiovascular Medicine, Jichi Medical University School of Medicine
9. Division of Cardiology, Yokohama City University Medical Center
10. Department of Cardiology, Hyogo Prefectural Amagasaki General Medical Center
11. Department of Cardiovascular Medicine, Juntendo University Shizuoka Hospital
12. Department of Cardiology, Japanese Red Cross Fukuoka Hospital
13. Department of Biostatistics, Kyoto University
14. Department of Cardiology, Kawaguchi Municipal Medical Center
15. Cardiovascular Center, Nihon University Hospital
16. Department of Cardiovascular Medicine, Toho University
17. Department of Cardiovascular Medicine, Kawaguchi Cardiovascular and Respiratory Hospital