[1] Wattanosoth Hosp, Med Oncol Unit, Chiang Mai, Thailand
[2] Bangkok Hosp Chiang Mai BDMS, Chiang Mai, Thailand
[3] Prince Songkla Univ, Songklanagarind Hosp, Dept Internal Med, Hat Yai, Thailand
[4] Reg Oncol Inst Iasi, Dept Med Oncol, Iasi, Romania
[5] Alexandria Univ, Alexandria Clin Res Ctr, Dept Clin Oncol, Alexandria, Egypt
[6] Baguio Gen Hosp & Med Ctr, Dept Internal Med Hematol & Oncol, Baguio, Philippines
[7] Clin Ctr Serbia, Clin Pulmonol, Belgrade, Serbia
[8] Oncol Inst Bucharest, Med Oncol Dept 2, Bucharest, Romania
[9] Sf Nectarie Ltd, Dept Oncol, Ctr Oncol, Craiova, Romania
[10] Chulalongkorn Univ, Fac Med, Dept Med, Bangkok, Thailand
[11] King Chulalongkorn Mem Hosp, Bangkok, Thailand
[12] Specialist Hosp, Dept Clin Oncol & Chemotherapy, Szczecin, Poland
[13] Boehringer Ingelheim Pharmaceut Inc, Dept Oncol, Singapore, Singapore
[14] Boehringer Ingelheim RCV GmbH & Co KG, Dept Oncol, Vienna, Austria
[15] Natl Canc Inst, Dept Med Oncol, Cairo, Egypt