1. Department of Cardiology; Charité - Universitätsmedizin Berlin; Campus Virchow Klinikum, Medizinische Klinik m. S. Kardiologie, Augustenburger Platz 1 D-13353 Berlin Germany
2. German Centre for Cardiovascular Research DZHK; Partner Site Berlin; Berlin Germany
3. Department of Cardiology; Charité - Universitätsmedizin Berlin; Campus Benjamin Franklin Berlin Germany
4. Emergency Department, Clinic for Cardiology; Clinical Centre of Serbia; Belgrade Serbia
5. Marx-Statistics; Nuremberg Germany
6. Department of Cardiology; Waikato Hospital; Hamilton New Zealand
7. Clinic for Cardiovascular Diseases; Clinical Center Niš; Niš Serbia
8. Applied Cachexia Research, Department of Cardiology; Charité Medical School; Berlin Germany
9. Division of Innovative Trials; University Medical Center Göttingen; Göttingen Germany
10. Center for Stroke Research; Charité - Universitätsmedizin Berlin; Berlin Germany
11. Department of Cardiology; Clinical Hospital Zvezdara; Belgrade Serbia
12. Department of Cardiology; General Hospital Celje; Celje Slovenia
13. Faculty of Medicine; University of Ljubljana; Ljubljana Slovenia
14. School of Medicine; University of Belgrade; Belgrade Serbia