CORRECTION

The struggle to do no harm

The Outlook article ‘The struggle to do no harm’ (Nature 552, S74–S75; 2017) mistakenly claimed that the biopharmaceutical firm Cellectis had not responded to requests for interview. A comment from the company is now included in the online version of the story.

Nature 554, 31 (2018)

doi: 10.1038/d41586-018-01423-5

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