References
1. Kakuk P. The legacy of the Hwang case: research misconduct in biosciences. Sci Eng Ethics. 2009; 15:545–562.


2. Hvistendahl M. Science for sale: inflated collaboration claims--response. Science. 2014; 343:612.


3. International Committee of Medical Journal Editors. The new ICMJE recommendations (August 2013) [Internet]. International Committee of Medical Journal Editors;2013. cited 2014 Aug 20. Available from: http://www.icmje.org/news-and-editorials/new_rec_aug2013.html/.
4. International Committee of Medical Journal Editors. Ethical considerations in the conduct andreporting of research. Uniform requirements for manuscripts submitted to biomedical journals: writing and editing for biomedical publication [Internet]. International Committee of Medical Journal Editors;2008. cited 2014 Aug 20. Available from: http://www.icmje.org/recommendations/archives/2008_urm.pdf/.
6. Stephenson J. ICMJE: all authors of medical journal articles have "responsibility to stand by the integrity of the entire work". JAMA. 2013. 310:p. 1216.


7. Albert T, Wager L. How to handle authorship disputes: a guide for new researchers [Internet]. Committee on Publication Ethics;2003. Available from: The COPE Report 2003http://publicationethics.org/files/2003pdf12.pdf/.
8. Korean Association of Medical Journal Editors. Good publication practice guidelines for medical journals. 2nd ed. Seoul: KAMJE;2013.
9. Bhandari M, Guyatt GH, Kulkarni AV, et al. Perceptions of authors' contributions are influenced by both byline order and designation of corresponding author. J Clin Epidemiol. 2014; 67:1049–1054.


11. Ebrahimpour M, Putniņš TJ, Berryman MJ, Allison A, Ng BW, Abbott D. Automated authorship attribution using advanced signal classification techniques. PLoS One. 2013; 8:e54998.


12. Marušić A, Bošnjak L, Jerončić A. A systematic review of research on the meaning, ethics and practices of authorship across scholarly disciplines. PLoS One. 2011; 6:e23477.


13. Slone RM. Coauthors' contributions to major papers published in the AJR: frequency of undeserved coauthorship. AJR Am J Roentgenol. 1996; 167:571–579.


14. Mowatt G, Shirran L, Grimshaw JM, et al. Prevalence of honorary and ghost authorship in Cochrane reviews. JAMA. 2002; 287:2769–2771.


15. Flanagin A, Carey LA, Fontanarosa PB, et al. Prevalence of articles with honorary authors and ghost authors in peer-reviewed medical journals. JAMA. 1998; 280:222–224.


16. Bonekamp S, Halappa VG, Corona-Villalobos CP, et al. Prevalence of honorary coauthorship in the American Journal of Roentgenology. AJR Am J Roentgenol. 2012; 198:1247–1255.


20. Healy D, Cattell D. Interface between authorship, industry and science in the domain of therapeutics. Br J Psychiatry. 2003; 183:22–27.


21. PLoS Medicine Editors. Ghostwriting: the dirty little secret of medical publishing that just got bigger. PLoS Med. 2009; 6:e1000156.
22. Wislar JS, Flanagin A, Fontanarosa PB, Deangelis CD. Honorary and ghost authorship in high impact biomedical journals: a cross sectional survey. BMJ. 2011; 343:d6128.


23. Matheson A. How industry uses the ICMJE guidelines to manipulate authorship--and how they should be revised. PLoS Med. 2011; 8:e1001072.


24. Stretton S. Systematic review on the primary and secondary reporting of the prevalence of ghostwriting in the medical literature. BMJ Open. 2014; 4:e004777.


25. McDonald RJ, Neff KL, Rethlefsen ML, Kallmes DF. Effects of author contribution disclosures and numeric limitations on authorship trends. Mayo Clin Proc. 2010; 85:920–927.


26. Lok AS. Authorship: who should be included and how should it be determined? Gastroenterology. 2011; 141:786–788.


27. Eggert LD. Best practices for allocating appropriate credit and responsibility to authors of multi-authored articles. Front Psychol. 2011; 2:196.


29. Korean Association of Medical Journal Editors. Flowcharts: what to do if you suspect redundant (duplicate) publication [Internet]. Korean Association of Medical Journal Editors;2013. cited 2014 Aug 19. Available from: http://kamje.or.kr/COPE-flow-chart-KO.pdf/.Korean.
30. Committee on Publication Ethics. Flowcharts: what to do if you suspect redundant (duplicate) publication [Internet]. Committee on Publication Ethics;2008. cited 2014 Aug 19. Available from: http://publicationethics.org/resources/flowcharts/.
31. ORCID Inc.ORCID connecting research and researchers. What is ORCID? [Internet]. Bethesda: ORCID inc.;cited 2014 Aug 12. Available from: https://orcid.org/content/initiative.