Impact Factor
3.64
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 version ceased with Vol. 15 (2016). Published online only 2017-
Online articles are published continuously as they are received and compiled into quarterly issues.
Also issued online.
v. 1, no. 1 (Jan. 2002)20031002 Notice published Printed on acid-free paper