Correction to: Trials (2016) 17:120
https://doi.org/10.1186/s13063-016-1251-2
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Following publication of the original article [1], the authors identified an error in the author name of Shyam Varadarajulu.
The incorrect author name is: Shyam Varadurajulu
The correct author name is: Shyam Varadarajulu
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