Correction: BMC Trials 22, 948 (2021)
https://doi.org/10.1186/s13063-021-05919-w
Following publication of the original article [1], we have been informed that a supplementary file was missing. This is now referenced at the end of the Results section (“Select rankings of factors, motivations, and barriers influencing research participation and retention varied by site (Additional File 2)”.
The original article has been corrected.
Reference
1. Hetrick, et al. A cross-sectional survey of potential factors, motivations, and barriers influencing research participation and retention among people who use drugs in the rural USA. BMC Trials; 2021; 22, 948. [DOI: https://dx.doi.org/10.1186/s13063-021-05919-w]
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Details
1 The Ohio State University, Division of Epidemiology, College of Public Health, Columbus, USA (GRID:grid.261331.4) (ISNI:0000 0001 2285 7943)
2 University of Kentucky, Department of Epidemiology, Lexington, USA (GRID:grid.266539.d) (ISNI:0000 0004 1936 8438); University of Kentucky, Center On Drug and Alcohol Research, Lexington, USA (GRID:grid.266539.d) (ISNI:0000 0004 1936 8438)
3 Oregon Health & Science University-Portland State University School of Public Health, Portland, USA (GRID:grid.262075.4) (ISNI:0000 0001 1087 1481)
4 Oregon Health & Science University-Portland State University School of Public Health, Portland, USA (GRID:grid.262075.4) (ISNI:0000 0001 1087 1481); Oregon Health & Science University, Department of Medicine, Section of Addiction Medicine, Portland, USA (GRID:grid.5288.7) (ISNI:0000 0000 9758 5690)
5 University of Kentucky, Department of Epidemiology, Lexington, USA (GRID:grid.266539.d) (ISNI:0000 0004 1936 8438)