[1] Univ Lubeck, Inst Med Biometrie & Stat, Ratzeburger Allee 160, D-23562 Lubeck, Germany
[2] Univ Appl Sci Bremerhaven, Hsch Bremerhaven, Inst Life Sci, Karlstadt 8, D-27568 Bremerhaven, Germany
[3] Univ Kiel, Med Fac, Christian Albrechts Pl 4, D-24118 Kiel, Germany
[4] Klinikum Freising, Dept Cardiol, Alois Steinecker Str 18, D-85354 Freising Weihenstephan, Germany
[5] Royal Victoria Hosp, Dept Cardiol, Grosvenor Rd, Belfast BT12 6BA, North Ireland
[6] Osped Santa Maria Annunziata, Dept Cardiol, I-50012 Florence, Italy
[7] Reg Hosp Wiener Neustadt, Corvinusring 3-5, A-2700 Wiener Neustadt, Austria
[8] Univ Huddersfield, Inst Skin Integr & Infect Prevent, Sch Human & Hlth Sci, Huddersfield HD1 3DH, England
[9] Hop Louis Pradel, Dept Radiol, 59 Bd Pinel, F-69500 Bron, France
[10] Herzzentrum Leipzig, Dept Electropyhsiol, Strumpellstr 39, D-04289 Leipzig, Germany
[11] Great Western NHS Fdn Trust, Dept Cardiol, Marlborough Rd, Swindon SN3 6BB, England
[12] Northumbria Healthcare NHS Fdn Trust, Dept Cardiol, Ashington NE63 9JJ, Northd, England
[13] Univ Manchester, Manchester Acad Hlth Sci Ctr, Sch Med Sci, Div Cardiovasc Sci, Manchester, England
[14] Krankenhaus Landshut Achdorf, Dept Cardiol, Achdorfer Weg 5, D-84036 Landshut, Germany
[15] Osped Reg San Maurizio, Dept Cardiol, Via Lorenz Bohler 5, I-39100 Bolzano, Italy