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    "textoCompleto" => "<span class="elsevierStyleSections"><p id="par0005" class="elsevierStylePara elsevierViewall">According with our projections the next impact factor &#40;IF&#41; of the <span class="elsevierStyleItalic">Portuguese Journal of Pulmonology</span> &#40;<span class="elsevierStyleItalic">PJP</span>&#41; will be around 0&#46;25&#46; This means that it decreased around 28&#37;&#46; The ups and downs of the IF&#44; both in small and big medical journals have been previously reported<a class="elsevierStyleCrossRefs" href="#bib0005"><span class="elsevierStyleSup">1&#8211;3</span></a> and it is estimated that the relative standard deviation of the year-to-year variation of the IF is likely to be between 10 and 20&#37;&#46;<a class="elsevierStyleCrossRef" href="#bib0020"><span class="elsevierStyleSup">4</span></a> Moreover the IF variation is directly correlated with the size of the journal&#44; with small journals having 40&#37; variations and large journals showing fluctuations of 15&#37;&#46;<a class="elsevierStyleCrossRef" href="#bib0015"><span class="elsevierStyleSup">3</span></a> The decrease in the IF of the <span class="elsevierStyleItalic">PJP</span> is also due to the increase in the number of published papers in 2009 and 2010 &#40;the denominator of the IF&#41; and the reduction in self-citations&#46; The high self-citing rate of a journal may affect positively its impact factor<a class="elsevierStyleCrossRef" href="#bib0025"><span class="elsevierStyleSup">5</span></a> but this may be negatively viewed by ISI-Thomson Reuters as they recently have penalized one of the three Spanish medical journals with higher IF &#40;and with more than 50&#37; self-citation&#41; by removing it from the 2010 list of Journal Citation Reports&#46; We expect that with the increase in the quality of articles in the <span class="elsevierStyleItalic">PJP</span> and the author pool &#40;as result of better international visibility of the journal&#41; the journal self-citation will decrease even more but the impact factor will increase&#46;</p><p id="par0010" class="elsevierStylePara elsevierViewall">The impact factor is slow to reflect improvements made to a journal&#46; In fact&#44; the impact factor of 2011 reflects a period starting in 2009&#44; just before we started as editors&#46; So we have to wait until 2014 to see the 2013 IF&#44; that will mirror the contents of our journal of 2011 and 2012 and so reflecting the changes we have implemented as editors&#46; So we are looking forward for the year-to-year variation in the IF&#44; expecting that this trend may be positive on the long run&#46;</p><p id="par0015" class="elsevierStylePara elsevierViewall">Quality of a journal directly reflects the quality of its reviewers&#46; Our journal has substantially improved its peer review process by inviting an extensive number of reviewers all over the world&#46; Moreover to improve the impact factor reviewers have to become more selective in the manuscripts they recommend to publish and authors need to submit their best articles&#46;</p><span id="sec0005" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle">In this number</span><p id="par0020" class="elsevierStylePara elsevierViewall">In the current number we start a new type of articles called &#8220;New perspectives in Pulmonology&#8221;&#44; with two international key-opinion leaders revisiting the topic of Long-term Oxygen Therapy&#46;<a class="elsevierStyleCrossRefs" href="#bib0030"><span class="elsevierStyleSup">6&#44;7</span></a> We published for the first time a non-commissioned review article&#44; a very interesting meta-analysis from Andrade de S&#225; Feitosa et al&#46; about the diagnostic accuracy of exhaled nitric oxide in exercise-induced bronchospasm&#46;<a class="elsevierStyleCrossRef" href="#bib0040"><span class="elsevierStyleSup">8</span></a></p><p id="par0025" class="elsevierStylePara elsevierViewall">We are convinced that despite the ups and downs of the impact factor&#44; the <span class="elsevierStyleItalic">Portuguese Journal of Pulmonology</span> is making its journey as a respected small medical journal progressively gaining reputation in the international respiratory community&#46; So in every cloud we have to look for its silver lining&#8230;</p></span></span>"
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Editorial
The ups and downs of the impact factor: “Every cloud has a silver lining”
A subida e descida do fator de impacto: «Cada nuvem tem um revestimento de prata»
J.C. Winck
Corresponding author
jwinck@hsjoao.min-saude.pt

Corresponding author.
, A. Morais
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    "titulo" => "The ups and downs of the impact factor&#58; &#8220;Every cloud has a silver lining&#8221;"
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        "titulo" => "A subida e descida do fator de impacto&#58; &#171;Cada nuvem tem um revestimento de prata&#187;"
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    "textoCompleto" => "<span class="elsevierStyleSections"><p id="par0005" class="elsevierStylePara elsevierViewall">According with our projections the next impact factor &#40;IF&#41; of the <span class="elsevierStyleItalic">Portuguese Journal of Pulmonology</span> &#40;<span class="elsevierStyleItalic">PJP</span>&#41; will be around 0&#46;25&#46; This means that it decreased around 28&#37;&#46; The ups and downs of the IF&#44; both in small and big medical journals have been previously reported<a class="elsevierStyleCrossRefs" href="#bib0005"><span class="elsevierStyleSup">1&#8211;3</span></a> and it is estimated that the relative standard deviation of the year-to-year variation of the IF is likely to be between 10 and 20&#37;&#46;<a class="elsevierStyleCrossRef" href="#bib0020"><span class="elsevierStyleSup">4</span></a> Moreover the IF variation is directly correlated with the size of the journal&#44; with small journals having 40&#37; variations and large journals showing fluctuations of 15&#37;&#46;<a class="elsevierStyleCrossRef" href="#bib0015"><span class="elsevierStyleSup">3</span></a> The decrease in the IF of the <span class="elsevierStyleItalic">PJP</span> is also due to the increase in the number of published papers in 2009 and 2010 &#40;the denominator of the IF&#41; and the reduction in self-citations&#46; The high self-citing rate of a journal may affect positively its impact factor<a class="elsevierStyleCrossRef" href="#bib0025"><span class="elsevierStyleSup">5</span></a> but this may be negatively viewed by ISI-Thomson Reuters as they recently have penalized one of the three Spanish medical journals with higher IF &#40;and with more than 50&#37; self-citation&#41; by removing it from the 2010 list of Journal Citation Reports&#46; We expect that with the increase in the quality of articles in the <span class="elsevierStyleItalic">PJP</span> and the author pool &#40;as result of better international visibility of the journal&#41; the journal self-citation will decrease even more but the impact factor will increase&#46;</p><p id="par0010" class="elsevierStylePara elsevierViewall">The impact factor is slow to reflect improvements made to a journal&#46; In fact&#44; the impact factor of 2011 reflects a period starting in 2009&#44; just before we started as editors&#46; So we have to wait until 2014 to see the 2013 IF&#44; that will mirror the contents of our journal of 2011 and 2012 and so reflecting the changes we have implemented as editors&#46; So we are looking forward for the year-to-year variation in the IF&#44; expecting that this trend may be positive on the long run&#46;</p><p id="par0015" class="elsevierStylePara elsevierViewall">Quality of a journal directly reflects the quality of its reviewers&#46; Our journal has substantially improved its peer review process by inviting an extensive number of reviewers all over the world&#46; Moreover to improve the impact factor reviewers have to become more selective in the manuscripts they recommend to publish and authors need to submit their best articles&#46;</p><span id="sec0005" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle">In this number</span><p id="par0020" class="elsevierStylePara elsevierViewall">In the current number we start a new type of articles called &#8220;New perspectives in Pulmonology&#8221;&#44; with two international key-opinion leaders revisiting the topic of Long-term Oxygen Therapy&#46;<a class="elsevierStyleCrossRefs" href="#bib0030"><span class="elsevierStyleSup">6&#44;7</span></a> We published for the first time a non-commissioned review article&#44; a very interesting meta-analysis from Andrade de S&#225; Feitosa et al&#46; about the diagnostic accuracy of exhaled nitric oxide in exercise-induced bronchospasm&#46;<a class="elsevierStyleCrossRef" href="#bib0040"><span class="elsevierStyleSup">8</span></a></p><p id="par0025" class="elsevierStylePara elsevierViewall">We are convinced that despite the ups and downs of the impact factor&#44; the <span class="elsevierStyleItalic">Portuguese Journal of Pulmonology</span> is making its journey as a respected small medical journal progressively gaining reputation in the international respiratory community&#46; So in every cloud we have to look for its silver lining&#8230;</p></span></span>"
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Pulmonology

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