Article related bibliometric data.

<p>(A) shows the analysis of total number of published items (B) shows the analysis of total number of citations (C) shows the annual average number of citations per article. (D) shows the average number of authors per article per year.</p

Institutional research network analysis.

<p>Radar chart visualization of cooperation between different institutions. Grayscale shade and width of connecting lines depict the number of cooperative research efforts. Cooperation resulting in fewer than three articles was not depicted.</p

Top 15 journals and authors analysis.

<p>(A): Ranking of most productive journals. (B): Ranking of most productive authors regarding their position on author's list.</p

Average length of articles.

<p>Average number of pages of all in this analysis included articles since 1983 are shown in the diagram below.</p