Notes
aRanked by total citations received by each journal in 2008 (Journal Citation Reports® [JCR®] by Thomson Reuters and Scopus ™ by Elsevier).
bRanked by performance indicators for each journal (Thomson Reuters Journal Impact Factor [JIF], 2008, and the SCImago Journal Rank [SJR], 2007).
cSum of all ranks.
dAge of the journal in years.
eRank sum/age.
fCategories assigned as: A (<0.5), B (0.5–2.5), C (>2.5).