Percentage of co-authors that performed each survey contribution.
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资源简介：
To allow for direct comparison among author positions, calculations were made for the sub-set of studies with > two co-authors for lead, middle, and last authors (n = 341). For lead and last authors, contribution percentages are also reported in parentheses for the complete dataset (n = 449 studies).
创建时间：
2017-06-27
