1. Cardiology Department; Hospital de la Santa Creu i Sant Pau; C/Sant Antoni Ma Claret 167 08025 Barcelona Spain
2. Department of Medicine, Universitat Autònoma; Barcelona, Spain Barcelona Spain
3. Emergency Department; Hospital de la Santa Creu i Sant Pau; Barcelona Spain
4. Biochemistry Department, Hospital de la Santa Creu i Sant Pau; Barcelona Spain
5. Pneumology Department; Hospital de la Santa Creu i Sant Pau; Barcelona Spain
6. Department of Biochemistry and Molecular Biology; Universitat Autònoma; Barcelona Spain