Group Title: Molecular Pain 2008, 4:4
Title: Hit a new high
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Title: Hit a new high
Series Title: Molecular Pain 2008, 4:4
Physical Description: Archival
Creator: Zhuo M
Gu J
Publication Date: 39468
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Bibliographic ID: UF00100223
Volume ID: VID00001
Source Institution: University of Florida
Holding Location: University of Florida
Rights Management: Open Access: http://www.biomedcentral.com/info/about/openaccess/

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Address: 'Department of Physiology, Faculty of Medicine, University of Toronto Centre for the study of Pain, University of Toronto, 1 King's
College Circle, Toronto, Ontario M5S 1A8, Canada and 2Brain Institute and Department of Oral Surgery, Division of Neuroscience, College of
Dentistry, University of Florida, Gainesville, Florida 32610, USA
Email: Min Zhuo* min.zhuo@utoronto.ca; Jianguo Gu JGU@dental.ufl.edu
* Corresponding author


Published: 21 January 2008
Molecular Pain 2008, 4:4 doi: 10.1 186/1744-8069-4-4


Received: 15 January 2008
Accepted: 21 January 2008


This article is available from: http://www.molecularpain.com/content/4/1/4
2008 Zhuo and Gu; licensee BioMed Central Ltd.
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0),
which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.



Abstract
Over the past three years Molecular Pain has grown steadily and clearly demonstrated its ability to
publish novel scientific discoveries in the field of pain research in a timely fashion, hence having a
strong and positive impact on pain and neuroscience research. Molecular Pain is now officially
tracked by the ISI Web of Science, which allows for the calculation of its impact factor. From this
calculation, we have found that Molecular Pain is now ranked at the top among pain journals in the
world.


While we welcome the arrival of 2008, we are also cele-
brating the fourth birthday of Molecular Pain. On behalf
of the Molecular Pain editorial team, we would like to take
this opportunity to wish a happy new year to our readers,
authors, reviewers, editorial board members and staff. We
also would like to thank all of you for the strong support
during the past four years Your contribution and support
has pushed Molecular Pain to hit a new high with an
impact factor of 3.93. As the first online open access jour-
nal in pain research field, Molecular Pain has allowed
novel scientific discovery in the field of pain research to be
published in a timely fashion and to be accessed freely by
anyone at any place in the world. This has had a strong
and positive impact in the pain and neuroscience research
fields.

In 2007, pain researchers and neuroscientists have wit-
nessed the rapid and healthy growth of Molecular Pain.
Molecular Pain is now officially accepted and tracked by
the ISI Web of Science. As a result, each citation of an arti-
cle published in Molecular Pain is counted online. The
inclusion of Molecular Pain online by the ISI Web of Sci-


ence has also allowed us to monitor the citation of each
article published in Molecular Pain as well as to calculate
the impact factor of Molecular Pain. Although the exact
significance of the impact factor remains to be debated
(see reference [1]), we believe that the impact factor is a
most valued measurement of the performance of the jour-
nal. ISI Web of Science has been tracking Molecular Pain
since 2006 and will announce the first official impact fac-
tor of Molecular Pain in 2009. As calculated but not yet
announced officially, Molecular Pain hit an impact factor
of 3.14 at the end of 2006 and 3.93 at the end of 2007.
The official impact factor, to be announced next year by
ISI, will most likely hit a higher score as a result of an extra
year of citation tracking being included.

The online and open access has let articles published in
Molecular Pain enjoy a significantly quicker citation rate
in comparison with other professional journals. For
example, between 2006 and 2007, the average citation
rate of each article in Molecular Pain is the highest (at
1.45) among four pain journals (Pain, European Journal
of Pain, Journal of Pain, Molecular Pain) and two neuro-


Page 1 of 2
(page number not for citation purposes)


Molecular Pain



Editorial

Hit a new high
Min Zhuo*I and Jianguo Gu2








http://www.molecularpain.com/content/4/1/4


science journals (I Neuroscience and European journal of
Neuroscience). The citation rates for other pain journals
are 0.74 for Pain (the official journal for International
association of Pain), 0.47 for Journal of Pain (the official
journal for American Pain Society), and 0.51 for European
Journal of Pain (the official journal for European Pain
society). As compared with popular neuroscience jour-
nals, we are somewhat surprised to find that the Molecular
Pain citation rate in 2006-2007 surpasses the Journal of
Neuroscience (the official journal for American society for
Neuroscience; at 0.92) and European Journal of Neuro-
science (the official journal for federal association of Euro-
pean neuroscience; at 0.33). It should be noted, however,
that the total number of papers published are different,
with Molecular Pain at 66; Pain at 300; J of Pain at 120
and European journal of Pain at 94. However, for Molecu-
lar Pain, the h factor, an index that measures the quantity
of high impact papers, is ranked among the top pain jour-
nals (see Figure 1).


At the beginning of 2008 and the start of the fourth year
of Molecular Pain, we hope that our authors, reviewers
and readers will share with us the joy of this success. The
Molecular Pain editorial team will continue to work hard,
and together with your help, we believe that Molecular
Pain will hit another new high by the end of 2008.

References
I. Citation data: the wrong impact? Nature Neuroscience 1998,
1:641-642.


h factorCitation plot in 2007


Molecular Pain
0


J Neurosci
0


EurJ Pain

J Pain
J Pain


EurJ Neurosci

2 3 4 5 6 7 8 9


h Factor

Based on data from ISI Web of Science

Figure I
Averaged citation rate and h factor for papers pub-
lished in Molecular Pain and five other professional
journals between 2006-2007. The data are collected
from ISI Web of Science http://portal.isiknowledge.com/por-
tal.cgi. The meeting abstracts were excluded from the calcu-
lation. Among pain journals and two neuroscience journals,
Molecular Pain has the highest citation rate for papers pub-
lished between 2006 2007 and the h factor of Molecular
Pain is the same as the Journal of Pain.


Page 2 of 2
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Molecular Pain 2008, 4:4




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