SOCIAL SCIENCES Correction for “Evolution and convergence of the patterns of international scientific collaboration,” by Mario Coccia and Lili Wang, which appeared in issue 8, February 23, 2016, of Proc Natl Acad Sci USA (113:2057–2061; first published February 1, 2016; 10.1073/pnas.1510820113).
The authors note that Lili Wang should be credited with designing research, performing research, analyzing data, and interpreting data. The corrected author contributions footnote appears below.
Author contributions: M.C. conceived the study; M.C. and L.W. designed research; M.C. and L.W. performed research; M.C. contributed new analytic tools; M.C. acquired data; M.C. and L.W. analyzed data; M.C. and L.W. interpreted data; and M.C. wrote the paper.