^aUniversity Cardiology, Department of Medical Sciences, AOU Città della Scienza e della Salute

^bUniversity of Torino, Torino, Italy

^cDepartment of Cardiology, Cardiovascular Magnetic Resonance Unit, Niguarda Cà Granda Hospital, Milano

^dDepartment of Cardiac, Thoracic and Vascular Sciences, University of Padua, Padua

^eUniversity Radiology, Department of Surgical Sciences, AOU Città della Scienza e della Salute, Torino, Italy

^fDepartment of Radiology, UZ Leuven, Leuven, Belgium

Correspondence to Massimo Imazio, MD, FESC, Cardiology Department, Maria Vittoria Hospital and Department of Public Health and Pediatrics, University of Torino, Torino, Italy E-mail: massimo_imazio@yahoo.it; massimo.imazio@unito.it

Received 10 January, 2016

Revised 21 July, 2016

Accepted 24 July, 2016