[1] Univ Pavia, Dept Mol Med, Fdn IRCCS Policlin S Matteo, I-27100 Pavia, Italy
[2] Fdn IRCCS Policlin S Matteo, Lab Expt Cardiol CCU, Pavia, Italy
[3] Univ Cape Town, Dept Med, Cardiovasc Genet Lab, Hatter Inst Cardiovasc Res Africa, ZA-7925 Cape Town, South Africa
[4] Univ Stellenbosch, Dept Med, ZA-7505 Tygerberg, South Africa
[5] King Saud Univ, Coll Med, Dept Family & Community Med, Riyadh 11461, Saudi Arabia