Comparison of control of Clostridium difficile infection in six English hospitals using whole-genome sequencing - Eyre, D; Fawley, W; Rajgopal, A; Settle, C; Mortimer, K; Goldenberg, S; Dawson, S; Crook, D; Peto, T; Walker, A; Wilcox, M (Clinical Infectious Diseases, 2017)