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Correction to: Temporal trend of research related to gun violence from 1981 to 2018 in the United States: a bibliometric analysis

The Original Article was published on 23 March 2020

Correction to: Inj Epidemiol (2020) 7:9

https://0-doi-org.brum.beds.ac.uk/10.1186/s40621-020-0235-6

Following publication of the original article (Chien et al. 2020), the authors identified two errors;

  1. 1)

    The equations were not adequately presented since they all Greek symbols disappeared in the PDF version of the article.

    The correct presentation of the equations is given below.

$$ \mathrm{Log}\left({\mathrm{NP}}_{\mathrm{t}}\right)=\alpha +\beta \times \kern0.5em \mathrm{t}+\log \left({\mathrm{Total}}_{\mathrm{t}}\right),\mathrm{where}\kern0.5em \mathrm{t}=1,\dots, 38 $$
$$ \mathrm{Log}\left({\mathrm{NP}}_{\mathsf{i}\mathsf{t}}\right)=\upalpha +{\upalpha}_{\mathsf{i}\left(\mathsf{t}\right)}+{\upbeta}_{\mathsf{1}}\times \mathsf{I}\left(\mathsf{i}=\mathsf{1}\right)+{\upbeta}_2\times \mathrm{I}\left(\mathrm{i}=2\right)+\mathrm{f}\left(\mathrm{t}\right)+\log \left({\mathrm{Total}}_{\mathrm{it}}\right),\mathrm{where}\ \mathrm{i}=1,2,3;\mathrm{t}=1,\dots, 38 $$
  1. 2)

    The grey horizontal lines were missing in Fig. 1. The correct figure is given below.

Fig. 1
figure 1

Time trends of the number of publications and crude publication ratios by research discipline from 1981 to 2018

The original article (Chien et al. 2020) has been updated.

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Correspondence to Lung-Chang Chien.

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Chien, LC., Gakh, M., Coughenour, C. et al. Correction to: Temporal trend of research related to gun violence from 1981 to 2018 in the United States: a bibliometric analysis. Inj. Epidemiol. 7, 43 (2020). https://0-doi-org.brum.beds.ac.uk/10.1186/s40621-020-00266-x

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  • DOI: https://0-doi-org.brum.beds.ac.uk/10.1186/s40621-020-00266-x