title: Collecting large cohorts of patients with uncommon diseases: mission impossible?
authors.forename: G
authors.initials: G
authors.lastname: Fazio
authors.forename: L
authors.initials: L
authors.lastname: Sutera
authors.forename: S
authors.initials: S
authors.lastname: Novo
mesh_terms: D000704:Analysis of Variance; D035843:Biomedical Research; D015331:Cohort Studies; D034742:Electronic Mail; D006801:Humans; D015999:Multivariate Analysis; D017410:Practice Guidelines as Topic; D039781:PubMed; D035583:Rare Diseases; D012802:Sicily