[1] M Sklodowska Curie Mem Canc Ctr, Dept Radiat Oncol, PL-02781 Warsaw, Poland
[2] Inst Oncol, Warsaw, Poland
[3] Univ Clin, Dept Radiat Oncol, Barcelona, Spain
[4] Inst Lung Dis, Sremska Kamenica, Serbia
[5] Ain Shams Univ, Dept Radiat Oncol, Cairo, Egypt
[6] Natl Canc Inst, Dept Radiat Oncol, Yerevan, Armenia
[7] N Alexandrov Res Inst Oncol, Dept Radiat Oncol, Minsk, BELARUS
[8] Inst Dantec, Dakar, Senegal
[9] Dept Radiat Oncol, Zaria, Nigeria
[10] Tata Mem Hosp, Mumbai, Maharashtra, India
[11] IAEA, A-1400 Vienna, Austria