1. Klinik für Innere Medizin III; Universitätsklinikum des Saarlandes, Kardiologie, Angiologie und Internistische Intensivmedizin; Kirrberger Str. 1 D-66424 Homburg/Saar Germany
2. Robertson Centre for Biostatistics; University of Glasgow; UK
3. Department of Medicine; State University of New York Downstate Medical Center; Brooklyn NY USA
4. Groupe Hospitalier Pitié-Salpêtrière; Paris France
5. Sahlgrenska Academy; University of Gothenburg; Sweden
6. GVM Care and Research; E.S. Health Science Foundation; Cotignola Italy