1 Senology Unit, Bellaria Hospital, Bologna, Italy. Electronic address: gianni.saguatti@ausl.bologna.it.
2 Department of Health, Regione Emilia-Romagna, Bologna, Italy. Electronic address: naldoni.carlo@tiscali.it.
3 Zadig Scientific Communication Agency, Rome, Italy. Electronic address: benelli@zadig.it.
4 Department of Health, Veneto Region, Venice, Italy. Electronic address: chiara.fedato@regione.veneto.it.
5 Centre for Cancer Prevention, Turin, Italy. Electronic address: alfonso.frigerio@gmail.com.
6 Local Health Authority, Modena, Italy. Electronic address: v.galli@ausl.mo.it.
7 Centre for Cancer Prevention, Turin, Italy. Electronic address: livia.giordano@cpo.it.
8 Local Health Authority, Modena, Italy. Electronic address: p.golinelli@ausl.mo.it.
9 Cancer Research and Prevention Institute, Florence, Italy. Electronic address: d.morrone@ispo.toscana.it.
10 Centre for Cancer Prevention, Turin, Italy. Electronic address: paduos@libero.it.
11 Local Health Authority, Sassari, Italy. Electronic address: fiammettaquerci@gmail.com.
12 Local Health Authority, Asolo, Italy. Electronic address: antonio.rizzo@ulssasolo.ven.it.
13 Romagna Cancer Registry, Romagna Cancer Institute (Istituto Scientifico Romagnolo per Lo Studio e La Cura Dei Tumori, IRST, IRCCS), 47014 Meldola, Forlì, Italy. Electronic address: lauro.bucchi@irst.emr.it.