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May 7, 2003

Listing Contributions of Investigators in Research Groups—Reply

Author Affiliations

Letters Section Editor: Stephen J. Lurie, MD, PhD, Senior Editor.

JAMA. 2003;289(17):2212. doi:10.1001/jama.289.17.2212-a

To the Editor: Ms Flanagin and colleagues1 described THE JOURNAL's criteria for authorship for research groups. Studies done by research groups from multiple sites often lead to superior results because of the ability to recruit a larger sample size and the enhanced generalizability of the results. Such studies require the combined efforts of many coinvestigators from multiple sites. These coinvestigators oversee the development of the study at their individual sites including the subject recruitment, administration of the intervention, data collection, data entry, and in many cases, review and critique of the manuscript. Nonetheless, some coinvestigators may not meet the criteria for authorship described by Flanagin et al.