[1] McMaster Univ, Michael G Degroote Cochrane Canada Ctr, 1280 Main St West, Hamilton, ON L8N 4K1, Canada
[2] McMaster Univ, McMaster GRADE Ctr, 1280 Main St West, Hamilton, ON L8N 4K1, Canada
[3] European Commiss, Joint Res Ctr, Ispra, Italy
[4] St Vincents Univ Hosp, 96 Merrion Rd,Elm Pk, Dublin D04 T6F4, Ireland
[5] German Canc Soc, Kuno Fischer Str 8, D-14057 Berlin, Germany
[6] Iberoamer Cochrane Ctr, Biomed Res Inst IIB St Pau CIBERESP, St Antoni Maria Claret 167, Barcelona 8025, Spain
[7] Azienda Unita Sanit Locale IRCCS Reggio Emilia, I-42122 Reggia Emilia, Italy
[8] Private Grp Practice Pathol, Lubeck, Germany
[9] Umea Univ, S-90187 Umea, Sweden
[10] Radboud Univ Nijmegen, Med Ctr, Geert Grootepl 21, NL-6525 EZ Nijmegen, Netherlands
[11] Univ Athens, Med Sch, Athens, Greece
[12] Queen Mary Univ London, Ctr Canc Prevent, Charterhouse Sq, London EC1M 6BQ, England
[13] Univ Geneva, Inst Global Hlth, Chemin Mines 9, CH-1202 Geneva, Switzerland
[14] Natl Screening Serv, Kings Inns House,200 Parnell St, Dublin D01 A3Y8, Ireland
[15] Canc Registry Norway, Ullernchausseen 64, N-0379 Oslo, Norway
[16] IMIM Hosp del Mar Med Res Inst, Carrer Dr Aiguader 88, Barcelona 8003, Spain
[17] CPO Piedmont AOU Citta Salute & Sci, Via Cavour 31, I-10131 Turin, Italy
[18] Cardiff Univ, Cardiff NP25 3PA, S Glam, Wales
[19] Univ Milan, Via Morandi 30, I-20097 Milan, Italy
[20] Radiol Theater, Neuer Pl 4, D-33098 Paderborn, NRW, Germany
[21] European Commiss, Joint Res Ctr, Via Enrico Fermi 2749,TP 127, I-21027 Ispra Va, Italy
[22] Azienda Unita Sanit Locale IRCCS Reggio Emilia, Via Amendola 2, I-42122 Reggio Emilia, Italy
[23] Univ Med Ctr Hamburg Eppendorf, Martinistr 52, D-20246 Hamburg, Germany
[24] Leto Gynecol Surg & Obstetr Clin, 18 Ave Kifissias, GR-15310 Athens, Greece
[25] Havyatt Rd, Langford BS40 5DD, North Somerset, England