[1] North Cumbria Univ Hosp NHS Trust, Dept Cardiol, Carlisle, England
[2] Ludwig Maximilians Univ Munchen, Zent Klin Bad Berka, Dept Cardiol, Munich, Germany
[3] Ludwig Maximilians Univ Munchen, Munich Univ Clin, Munich, Germany
[4] Newcastle Univ, Newcastle Upon Tyne Hosp NHS Fdn Trust, Freeman Hosp, Newcastle, England
[5] Newcastle Univ, Inst Cellular Med, Newcastle, England
[6] Univ Copenhagen, Rigshosp, Heart Ctr, Copenhagen, Denmark
[7] Ist Sci San Raffaele, Milan, Italy