In the original version of this article (1), the stated disclosure of José Baselga is incorrect. The error has been corrected in the latest online HTML and PDF versions of the article. The authors regret this error.

1.
Baselga
J
,
Lewis Phillips
GD
,
Verma
S
,
Ro
J
,
Huober
J
,
Guardino
AE
, et al
Relationship between tumor biomarkers and efficacy in EMILIA, a phase III study of trastuzumab emtansine in HER2-positive metastatic breast cancer
.
Clin Cancer Res
2016
;
22
:
3755
63
.