title: Letter by Barison et al Regarding Article, "Familial Clustering of Mitral Valve Prolapse in the Community".
authors.affiliation: Fondazione Toscana Gabriele Monasterio, Scuola Superiore "Sant'Anna", Pisa, Italy.
authors.forename: Andrea
authors.initials: A
authors.lastname: Barison
authors.affiliation: Fondazione Toscana Gabriele Monasterio, Pisa, Italy.
authors.forename: Giancarlo
authors.initials: G
authors.lastname: Todiere
authors.affiliation: Fondazione Toscana Gabriele Monasterio, Pisa, Italy.
authors.forename: Giovanni Donato
authors.initials: GD
authors.lastname: Aquaro
mesh_terms: D005190:Family; D005260:Female; D006801:Humans; D008297:Male; D008945:Mitral Valve Prolapse / Q000453:epidemiology* / Q000235:genetics*; D012111:Residence Characteristics