[1] King Abdulaziz Med City Riyadh, Oncol Dept, Riyadh, Saudi Arabia
[2] Clin AMO, Oncol, Salvador, BA, Brazil
[3] CHU Dr Benbadis, Med Oncol Dept, Constantine, Algeria
[4] King Fahad Med City, Oncol Dept, Riyadh, Saudi Arabia
[5] Mohammed V Rabat Univ, Oncol, Natl Inst Oncol, Rabat, Morocco
[6] Univ Ottawa, Radiat Oncol Dept, Ottawa, ON, Canada
[7] Al Hyatt Oncol Practice, Oncol Dept, Amman, Jordan
[8] Clin AMO, Oncol Dept, Salvador, BA, Brazil
[9] NCI Cairo Univ, Oncol, Cairo, Egypt
[10] Manila Cent Univ, FDTMF Hosp, Oncol Dept, Caloocan, Philippines
[11] King Saud bin Abdulaziz Univ Hlth Sci, Publ Hlth, Riyadh, Saudi Arabia