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Letter to the Editor
Letter to the Editor
Gerardo Piacentini a1, Silvia Placidi a1andBruno Marino a1c1 a1 Pediatric Cardiology, Department of Pediatrics, University of Rome “La Sapienza”, Italy
Correspondence: c1 Correspondence to: Prof. Bruno Marino, Pediatric Cardiology, University of Rome “La Sapienza”, Viale Regina Elena 324, 00161, Rome, Italy. Tel: +39 06 49979210; Fax: +39 06 49970356; E-mail: bruno.marino@uniroma1.it