October 1997's Business and Regulatory News Brief "Microarrays map matings" (Nat. Biotechnol. 16, 893, 1998) incorrectly attributed a report in Science (281, 1194–1197, 1998) concerning rapid mapping of yeast genes to researchers from the University of California, Berkeley. The majority of researchers are from Stanford University, with other contributors from Duke University and Affymetrix, Inc.