1 Multimodality Cardiac Imaging Section, I.R.C.C.S. Policlinico San Donato, San Donato Milanese, Milan, Italy. Electronic address: massimo.lombardi@grupposandonato.it.
2 Multimodality Cardiac Imaging Section, I.R.C.C.S. Policlinico San Donato, San Donato Milanese, Milan, Italy; Department of Pediatric Cardiology and Adult Congenital Heart Disease, I.R.C.C.S. Policlinico San Donato, San Donato Milanese, Milan, Italy.