1. Affiliations of authors: Cytomol, Frankfurt, Germany (HI); Laboratoire Cerba, Cergy Pontoise, France (CB); Institute for Pathology, Mannheim, Germany (DS); Center for Pathology and Cytodiagnostics, Cologne, Germany (HG); Hospital del Mar, Barcelona, Spain (FA); Unità Gestionale Screening Regionale, Ospedale Atri, Italy (CA); Labo Lokeren - Campus Riatol, Antwerp, Belgium (JB); Institute Alfred Fournier, Paris, France (R