WRN promoter CpG island hypermethylation does not predict more favorable outcomes for patients with metastatic colorectal cancer treated with irinotecan-based therapy

Linda J W Bosch, Yanxin Luo, Victoria V. Lao, Petur Snaebjornsson, Geert Trooskens, Ilse Vlassenbroeck, Sandra Mongera, Weiliang Tang, Piri Welcsh, James G. Herman, Miriam Koopman, Iris D. Nagtegaal, Cornelis J A Punt, Wim Van Criekinge, Gerrit A. Meijer, Raymond J. Monnat, Beatriz Carvalho, William M. Grady