1. JCS Shock Registry Scientific Committee
2. Emergency and Critical Care Center, Shinshu University School of Medicine
3. Department of Cardiology, Japan Community Healthcare Organization Kyushu Hospital
4. Department of Cardiovascular Medicine, Kyushu University Hospital
5. Department of Critical and Intensive Care Medicine, Shiga University of Medical Science
6. Department of Cardiovascular Medicine, NTT Medical Center
7. Department of Cardiology, Kawaguchi Municipal Medical Center
8. Department of Biostatistics, Yokohama City University Graduate School of Medicine
9. Cardiovascular Center, Nihon University Hospital