Erratum

Editorial: BioCreative-IV virtual issue

Cecilia N. Arighi, Kevin B. Cohen, Lynette Hirschman, Martin Krallinger, Zhiyong Lu, Alfonso Valencia, Thomas C. Wiegers, John W. Wilbur and Cathy H. Wu

Database 2014 (2014) ,doi:10.1093/database/bau039

Natural language processing pipelines to annotate BioC collections with an application to the NCBI disease corpus

Donald C. Comeau, Haibin Liu, Rezarta Islamaj Doğan and W. John Wilbur

Database 2014 (2014) ,doi:10.1093/database/bau056

These articles were originally published with an incorrect copyright line. The correct copyright line is as follows: Published by Oxford University Press 2014. This work is written by US government employees and is in the public domain in the US.

The publisher apologizes for this mistake.