Abstract

IntroductionOur aim was to investigate if: (a) authors of Biochemia Medica meet authorship criteria given by International Committee of Medical Journal Editors (ICMJE), (b) authorship violations are more frequent in submissions containing some type of scientific misconduct.Materials and methodsSelf-reported authorship contributions regarding the three ICMJE criteria were analysed for all submissions to Biochemia Medica (February 2013-April 2015) which were forwarded to peer-review. To test the differences in frequencies we used Chi-squared test. P < 0.05 was considered statistically significant.Results186 manuscripts were authored by 804 authors. All ICMJE criteria were met by 487/804 (61%) authors. The first and the last author met all the criteria more frequently than those authors in between (P < 0.001). The degree to which ICMJE criteria was met for the first author did not differ between manuscripts authored by only one author and those authored by >1 author (P = 0.859). In 9% of the manuscripts ICMJE criteria were not met by a single author. Authors of the 171/186 manuscripts declared that all persons qualify for authorship but only 49% of them satisfied all ICMJE criteria. Authors have failed to acknowledge contributors in 88/186 (47%) manuscripts; instead these contributors have been listed as authors without fulfilling ICMJE criteria. Authorship violation was not more common in 42 manuscripts with some type of scientific misconduct (P = 0.135).ConclusionLarge proportion of authors of the manuscripts submitted to Biochemia Medica do not fulfil ICMJE criteria. Violation of authorship criteria is not more common for manuscripts with some type of scientific misconduct.

Highlights

  • Our aim was to investigate if: (a) authors of Biochemia Medica meet authorship criteria given by International Committee of Medical Journal Editors (ICMJE), (b) authorship violations are more frequent in submissions containing some type of scientific misconduct

  • Large proportion of authors of the manuscripts submitted to Biochemia Medica do not fulfil ICMJE criteria

  • Our aims were to: (a) make a descriptive analysis of the data on authorship, (b) investigate whether ICMJE authorship criteria were met by all authors of manuscripts submitted to Biochemia Medica and if fulfilment of those criteria varies if the first author is the only author or a part of a group of authors, (c) analyse the level of understanding of the difference between author and contributor and (d) to examine if violations were more prevalent in submissions suffering from some other type of scientific misconduct

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Summary

Introduction

Our aim was to investigate if: (a) authors of Biochemia Medica meet authorship criteria given by International Committee of Medical Journal Editors (ICMJE), (b) authorship violations are more frequent in submissions containing some type of scientific misconduct. It is imperative that only researchers that fully meet authorship criteria are listed as authors. International Committee of Medical Journal Editors (ICMJE) has introduced updated authorship criteria that are widely accepted and most commonly referred to by journal editors in journals’ instructions for authors. Starting from 2013 until May 2015 Biochemia Medica used disclosed Author statement form (Figure 1) [7]. The form contained the short definition of authorship given by ICMJE.

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