[1] Guglielmo da Saliceto Polichirurg Hosp AUSL Piace, Dept Cardiac, Piacenza, Italy
[2] Sci Inst Veruno, Cardiol Rehabil Div, Veruno, Italy
[3] Jessa Hosp, Dept Cardiol, Hasselt, Belgium
[4] Univ Hasselt, Heart Ctr Hasselt, Hasselt, Belgium
[5] Univ Copenhagen, Dept Cardiol, Copenhagen, Denmark
[6] Spital Tiefenau, Dept Cardiol, Bern, Switzerland
[7] Queens Univ Belfast, Dept Gen Practice & Primary Care, Belfast, Antrim, North Ireland
[8] Cambridge Univ Hosp NHS Fdn Trust, Florence Nightingale Fdn, Cambridge, England
[9] Univ York, Cardiovasc Hlth Dept, York, N Yorkshire, England
[10] Univ Dublin, Trinity Coll, Dublin, Ireland
[11] Zealand Univ Hosp, Roskilde, Denmark
[12] Imperial Coll London, Dept Cardiovasc Med, London, England
[13] Charite Univ Med Berlin, Dept Cardiol, Berlin, Germany
[14] Lausanne Univ Hosp, Dept Internal Med, Lausanne, Switzerland
[15] Univ Antwerp, Dept Cardiol, Antwerp, Belgium
[16] East Sussex Healthcare NHS Trust, Dept Cardiol, St Leonards On Sea, E Sussex, England
[17] Univ Complutense Madrid, Dept Cardiol, Madrid, Spain
[18] Univ Ulster, Belfast Trust Northern Ireland, Coleraine, Londonderry, North Ireland