1. Department of Cardiology, Juntendo University Nerima Hospital
2. Department of Cardiology, Juntendo University Shizuoka Hospital
3. Department of Cardiology, Itabashi Chuo General Hospital
4. Department of Cardiology, Juntendo University School of Medicine
5. Perseus Proteomics Incorporated
6. Department of Emergency and Critical Care Medicine, Juntendo University Nerima Hospital