[1] Int Agcy Res Canc, Sect Canc Surveillance, 150 Cours Albert Thomas, F-69008 Lyon, France
[2] WHO, Reg Off Eastern Mediterranean, Cairo, Egypt
[3] King Faisal Specialist Hosp & Res Ctr, Riyadh, Saudi Arabia
[4] Kuwait Canc Control Ctr, Epidemiol & Canc Registry Dept, Kuwait, Kuwait
[5] Ain Shams Univ, Dept Commun Environm & Occupat Med, Fac Med, Cairo, Egypt
[6] King Hussein Canc Ctr, Amman, Jordan
[7] Amer Univ Beirut, Div Hematol & Oncol, Dept Internal Med, Med Ctr, Beirut, Lebanon