[1] Newcastle Univ, Fac Med Sci, Inst Cellular Med, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England
[2] Newcastle Univ, Inst Genet Med, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England
[3] Freeman Rd Hosp, Dept Cardiol, Newcastle Upon Tyne, Tyne & Wear, England
[4] Univ Belgrade, Sch Med, Clin Ctr Serbia, Dept Cardiol, Belgrade, Serbia
[5] Specialist Hosp Merkur, Dept Cardiol, Vrnjacka Banja, Serbia
[6] Freeman Rd Hosp, Dept Cardiothorac Surg, Newcastle Upon Tyne, Tyne & Wear, England
[7] Freeman Rd Hosp, Dept Transplantat, Newcastle Upon Tyne, Tyne & Wear, England