[1] Maastricht Univ, Med Ctr, Dept Cardiol, Maastricht, Netherlands
[2] Univ Limburg, Cardiovasc Res Inst, NL-6200 MD Maastricht, Netherlands
[3] Univ Athens, Dept Cardiol 2, Attikon Univ Hosp, Athens, Greece
[4] Isar Heart Ctr Munich, Munich, Germany
[5] Univ Hosp S Maria Misericordia, Dept Cardiothorac Sci, Udine, Italy
[6] Vilnius Univ, Clin Heart Dis, Santariskiu Klinikos, Vilnius Univ Hosp, Vilnius, Lithuania
[7] Uppsala Univ, Dept Cardiol, Inst Med Sci, Uppsala, Sweden