Biostatistics (2019) 20, 2, pp. 273–286

doi:10.1093/biostatistics/kxx069

In the original article, there were errors in Tables 1 and 2, specifically Phase 2 to 3 and Phase 3 to APP in Table 1, and Phase 2 to 3 columns in Table 2. Due to a formatting issue in Excel, incorrect numbers were reported originally.

There was a mis-match in the data between the pdf and the HTML article which has now been rectified. The tables have now been corrected. The author and Publisher apologizes for these errors.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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