[1] Int Agcy Res Canc, Early Detect & Prevent Sect, Screening Grp, F-69372 Lyon, France
[2] Canc Inst WIA, Div Epidemiol, Chennai, Tamil Nadu, India
[3] Canc Inst WIA, Canc Registry, Chennai, Tamil Nadu, India
[4] German Canc Res Ctr, Div Clin Epidemiol & Aging Res, D-6900 Heidelberg, Germany
[5] Tianjin Med Univ, Canc Inst & Hosp, Tianjin, Peoples R China
[6] Natl Univ Singapore, Ctr Mol Epidemiol, Singapore 117548, Singapore
[7] Qidong Liver Canc Inst, Qidong Canc Registry, Jiangsu, Peoples R China
[8] Hosp Author, Hong Kong Canc Registry, Hong Kong, Hong Kong, Peoples R China
[9] Seoul Natl Univ, Coll Med, Seoul Canc Registry, Seoul, South Korea
[10] Shanghai Canc Inst, Dept Epidemiol, Shanghai, Peoples R China
[11] Indian Canc Soc, Bombay Canc Registry, Mumbai, Maharashtra, India
[12] Natl Canc Ctr, Res Inst, Busan Canc Registry, Kyonggi Do, South Korea
[13] Inha Univ, Incheon Canc Registry, Inchon, South Korea
[14] Lampang Canc Ctr, Lampang Canc Registry, Lampang, Thailand
[15] Chiang Mai Univ, Dept Otolaryngol, Chiang Mai 50000, Thailand
[16] Prince Songkla Univ, Songkhla Canc Registry, Hat Yai, Thailand
[17] Costa Rica Natl Tumor Registry, San Jose, Costa Rica
[18] Izmir Prov Hlth Directorate, Izmir Canc Registry, Alsancak, Turkey
[19] Nargis Dutt Mem Canc Hosp, Barshi Canc Registry, Barshi, India
[20] Khon Kaen Univ, Srinagarind Hosp, Canc Unit, Khon Kaen, Thailand
[21] Nat Background Radiat Registry, Karunagappally, Kerala, India
[22] Tata Mem Hosp, Mumbai 400012, Maharashtra, India
[23] Makerere Univ, Fac Med, Kampala Canc Registry, Kampala, Uganda
[24] Rizal Med Ctr, Rizal Canc Registry, Pasig, Philippines
[25] Manila Canc Registry, Philippine Canc Soc, Manila, Philippines
[26] Liaquat Natl Med Coll, Karachi Canc Registry, Karachi, Pakistan
[27] Natl Canc Registry Gambia, Banjul, Gambia
[28] King Fahad Med City, Fac Med, Riyadh, Saudi Arabia