Survey questions. ECOG, Eastern Cooperative Oncology Group; 5FU, fluorouracil; LV, leucovorin; FOLFOX, oxaliplatin, LV, and 5FU; XELOX, XELOX, capecitabine, and 5FU; FOLFIRI, irinotecan, LV, and 5FU; IFL, irinotecan, LV, and 5FU; XELIRI, irinotecan and capecitabine; N/A, not applicable.