1 Department of Translational Medical Sciences, Federico II University, Via S Pansini 5, Naples 80131, Italy. Electronic address: antonio.cittadini@unina.it.
2 Division of Cardiology, AORN A Cardarelli Hospital, Via A Cardarelli 9, Naples 80131, Italy. Electronic address: ebossone@hotmail.com.
3 John Ochsner Heart and Vascular Institute, Ochsner Clinical Foundation, 1514 Jefferson Highway, New Orleans, LA 70121, USA; The University of Queensland Ochsner Clinical School, The University of Queensland, New Orleans, LA, USA. Electronic address: hventura@ochsner.org.