[1] Univ Klinikum Munster, Dept Cardiovasc Med, Albert Schweitzer Campus 1,Gebeiude A1, D-48149 Munster, Germany
[2] Klinikum Coburg, Med Klin 2, Coburg, Germany
[3] St Antonius Hosp, Dept Cardiol, Nieuwegein, Netherlands
[4] Herzzentrum Segeberger Kliniken GmbH, Dept Cardiol & Angiol, Bad Segeberg, Germany
[5] Univ Sjukhuset Orebro, Dept Cardiol, Orebro, Sweden
[6] Krankenhaus Martha Maria gGmbH, Med Klin 1, Halle, Germany
[7] Univ Latvia, Paul Stradins Clin Univ Hosp, Latvian Ctr Cardiol, Riga, Latvia
[8] Twee Steden Hosp Tilburg, Dept Cardiol, Tilburg, Netherlands
[9] Kardiol Angiol Praxis Hegeler, Bremen, Germany
[10] Univ Leipzig, Dept Cardiol, D-04109 Leipzig, Germany
[11] Vivantes Klinikum Friedrichshain, Dept Internal Med & Cardiol, Berlin, Germany