Impact Factor
4.27
Estimated influence, citation density, publishing volume, and citation integrity from the analytics table.
Volume, recency, access pattern, and citing-community signals from the journal analytics record.
Recent article records with DOI-first linking and condensed abstracts.
Title from journal home page (viewed Jan. 13, 2011).
Some articles in v. 2010 published electronically in 2009.
Mode of access: World Wide Web.