[1] Univ Res Clin Canc Screening, Randers Reg Hosp, Randers, Denmark
[2] Inst Natl Sante & Rech med, CIC P INSERM 1432, Paris, France
[3] IARC, Prevent & Infect Branch, Early Detect, Lyon, France
[4] Ecole Hautes Etud Sci Sociales, Ctr Etud Mouvements Sociaux, Paris, France
[5] Azienda USL IRCCS Reggio Emilia, Serv Epidemiol, Reggio Emilia, Italy
[6] Osservatorio Nazl Screening, Ist Studio Prevenz & Rete Oncolog, Florence, Italy
[7] Babes Bolyai Univ, Cluj Napoca, Romania
[8] Univ Tartu, Inst Family Med & Publ Hlth, Tartu, Estonia
[9] Univ Tartu, Tartu, Estonia
[10] Univ Porto, Inst Publ Hlth, EPI Unit, Porto, Portugal
[11] Hlth Psychol Res Ctr, Sofia, Bulgaria
[12] Aarhus Univ, Dept Clin Med, Aarhus, Denmark