Corrigendum: T-cell activation is an immune correlate of risk in BCG vaccinated infants. - Fletcher, H; Snowden, M; Landry, B; Rida, W; Satti, I; Harris, S; Matsumiya, M; Tanner, R; O'Shea, M; Dheenadhayalan, V; Bogardus, L; Stockdale, L; et al. (Nature Publishing Group, 2016)