In the original version of this article (1), there is an error in the “Organoid Culture” section in the Methods. The concentration of CHIR 99021 should be 0.3 μmol/L. The error has been corrected in the latest online HTML and PDF versions of the article. The authors regret this error.

1.
Driehuis
E
,
Kolders
S
,
Spelier
S
,
Lõhmussaar
K
,
Willems
SM
,
Devriese
LA
, et al
Oral mucosal organoids as a potential platform for personalized cancer therapy
.
Cancer Discov
2019
;
9
:
852
71
.