title: Request for clarifications on paper published.
authors.forename: Rita
authors.initials: R
authors.lastname: Clementi
mesh_terms: D004200:Diseases in Twins / Q000235:genetics*; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature; D007235:Infant, Premature, Diseases / Q000235:genetics*; D051359:Lymphohistiocytosis, Hemophagocytic / Q000235:genetics*; D009154:Mutation; D017422:Sequence Analysis, DNA