Correction to: Trials (2016) 17:120

https://doi.org/10.1186/s13063-016-1251-2

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