Demographic and training variations across cardiology subspecialties in Italy: a national survey. - Fortuni F; Ciliberti G; Scicchitano P; Franchin L; Cangemi S; Cornara S; Spinelli A; Vitale E; Magnesa M; Zilio F; Nardi F; Gabrielli D; et al. (Journal of cardiovascular medicine (Hagerstown, Md.), 2026)