[1] Univ Pavia, Fdn IRCCS Policlin S Matteo, Dept Mol Med, I-27100 Pavia, Italy
[2] Fdn IRCCS Policlin S Matteo, Dept Cardiol, I-27100 Pavia, Italy
[3] Univ Cape Town, Dept Med, Hatter Inst Cardiovasc Res Africa, Cardiovasc Genet Lab, ZA-7925 Cape Town, South Africa
[4] Univ Stellenbosch, Dept Med, ZA-7600 Stellenbosch, South Africa
[5] King Saud Univ, Coll Med, Dept Family & Community Med, Chair Sudden Death, Riyadh 11461, Saudi Arabia
[6] Helmholtz Zentrum Munchen, Inst Human Genet, Neuherberg, Germany