[1] King Abdulaziz Univ, Fac Med, Med Oncol, Jeddah, Saudi Arabia
[2] CHU Dr Benbadis, Oncol Dept, Constantine, Algeria
[3] Cairo Univ, Natl Canc Inst, Med Oncol, Cairo, Egypt
[4] Sultan Qaboos Comprehens Canc & Res Ctr, Dept Radiat Oncol, Muscat, Oman
[5] Univ Hosp Hassan II, Med Oncol, CHU, Fes, Morocco
[6] Oncol Dept, Amman, Jordan
[7] King Abdul Aziz Med City, Dept Oncol, Riyadh, Saudi Arabia
[8] Tawam Hosp, Med Oncol, Al Ain, U Arab Emirates
[9] King Saud bin Abdulaziz Univ Hlth Sci, Publ Hlth Fac, Riyadh, Saudi Arabia
[10] Alfaisal Univ, King Faisal Specialist Hosp & Res Ctr KFSH RC, Thorac Surg, Riyadh, Saudi Arabia
[11] Cincinnati Canc Advisors, Cincinnati, OH USA