Capecitabine and streptozocin ± cisplatin for gastroenteropancreatic neuroendocrine tumours: predictors of long-term survival in the NET01 trial by Meyer, T, Qian, W, Valle, J, Talbot, D, Cunningham, D, Reed, N, Wall, L, Waters, J, Ross, P, Anthoney, A, Sumpter, K, Sarwar, N, Crosby, T, Begum, N, Young, G, Hardy, R, Corrie, P