1. Giampaolo Niccoli and Filippo Crea: Dipartimento di Scienze Cardiovascolari eToraciche, Fondazione Policlinico Universitario A. Gemelli IRCCS, Roma, Italia (G.N., F.C.).
2. Università Cattolica del Sacro Cuore, Roma, Italia (G.N., F.C.).
3. Department of Cardiovascular and Thoracic Sciences, Fondazione Policlinico Universitario A. Gemelli IRCCS, Catholic University of the Sacred Heart, Rome, Italy (R.A.M.).
4. Immunology-Allergology-Rheumatology, University of Antwerp and Antwerp University Hospital, Belgium (V.S.).