Impact Factor
3.78
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 cover.
Print issues ceased with v. 37, no. 24 (Dec. 2014).
Also issued online.
v. 24, no. 1 (JAN 2001)20040802 Notice not published Printed on acid-free paper