aNational Italian Olympic Committee, Institute of Sports Medicine and Science, Rome
bDepartment of Cardiology, Hospital of Conegliano, Conegliano
cDepartment of Sports Medicine, Catholic University of Sacro Cuore, Rome
dHealth Unit of Noale, Department of Sports Medicine, Noale
eDepartment of Cardiology, University of L’Aquila, L’Aquila
fItalian Federation of Sports Medicine, Rome
gDepartment of Cardiology, Lancisi Hospital, Ancona
hDepartment of Cardiology, Monaldi Hospital, II University of Naples, Naples
iHealth Unit of Sassari, Department of Sports Medicine, Sassari
jDepartment of Cardiology, Hospital of Crema, Crema
kDepartment of Cardiology, Hospital of Foggia, Foggia
lDepartment of Cardiology, Hospital of Novara, Novara
mCardiology Unit, Hospital of Cremona, Cremona
nNational Association of Extra-Hospital Cardiology, Rome
oRehabilitation Unit, Hospital of Mezzolombardo, Mezzolombardo
pDepartment of Cardiovascular Pathology, University of Padua Medical School, Padua
qElectrophysiologic and Arrhythmia Unit, Institute of San Donato, Milan
rDivision of Cardiology, University of Padua Medical School, Padua, Italy
Correspondence to Dr Alessandro Biffi, Institute of Sports Medicine and Science, Largo P. Gabrielli 1, 00196, Rome, Italy E-mail: [email protected]
Received 18 April, 2012
Revised 23 January, 2013
Accepted 31 January, 2013