[1] Univ Hosp Southern Denmark, Dept Cardiol, Kresten Philipsens Vej 15, DK-6200 Aabenraa, Denmark
[2] Univ Southern Denmark, Dept Reg Hlth Res, JB Winslows Vej 19,3, DK-5000 Odense, Denmark
[3] Univ Hosp Southern Denmark, Dept Clin Res, Kresten Philipsens Vej 15, DK-6200 Aabenraa, Denmark
[4] Univ Southern Denmark, Dept Clin Res, JB Winslows Vej 19,3, DK-5000 Odense, Denmark
[5] Odense Univ Hosp, Dept Cardiol, JB Winslows Vej 4, DK-5000 Odense, Denmark
[6] Univ Southern Denmark, Natl Inst Publ Hlth, Studiestr 6, DK-1455 Copenhagen K, Denmark
[7] Aalborg Univ Hosp, Dept Cardiol, Cardiothorac Surg & Clin Nursing Res Unit, Hobrovej 18-22, DK-9000 Aalborg, Denmark
[8] Aarhus Univ Hosp, Dept Cardiol, Palle Juul Jensens Blvd, DK-8200 Aarhus N, Denmark
[9] Herlev & Gentofte Univ Hosp, Dept Cardiol, Kildegaardvej 28, DK-2900 Hellerup, Denmark
[10] Copenhagen Univ Hosp, Rigshosp, Heart Ctr, Blegdamsvej 9, DK-2100 Copenhagen O, Denmark
[11] Univ Copenhagen, Dept Clin Med, Blegdamsvej 3B, DK-2200 Copenhagen N, Denmark
[12] Hosp Southern Denmark, Dept Emergency Med, Kresten Philipsens Vej 15, DK-6200 Aabenraa, Denmark
[13] Odense Univ Hosp, Dept Cardiac Thorac & Vasc Surg, JB Winsloews Vej 4, DK-5000 Odense, Denmark