aDepartment of Cardiology, Ospedale del Mare
bDepartment of Cardiology, University of Campania Luigi Vanvitelli, Naples
cDepartment of Cardiology, University of Messina, Messina, Italy
Correspondence to Marco Di Maio, MD, Department of Cardiology, University of Campania Luigi Vanvitelli, Naples, Italy Tel: +39 3454489003; e-mail: email@example.com
Received 7 January, 2019
Revised 10 February, 2019
Accepted 4 May, 2019
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