[1] Natl & Kapodistrian Univ Athens, Athens Univ Hosp Attikon, Med Sch, Dept Cardiol, Athens, Greece
[2] Univ Cyprus, Med Sch, Nicosia, Cyprus
[3] Mayo Clin, Dept Cardiovasc Med, Rochester, MN 55905 USA
[4] Royal Brompton Hosp, Cardiooncol Serv, London, England
[5] La PAz Univ Hosp, IdiPAZ Res Inst, Dept Cardiol, Paseo Castellana 261, Madrid 28046, Spain
[6] Hosp Univ Quironsalud Madrid, Dept Cardiol, C Diego Velazquez 1, Madrid 28223, Spain