Minimum number of clusters and comparison of analysis methods for cross sectional stepped wedge cluster randomised trials with binary outcomes: a simulation study

- Barker, Daniel, D'Este, Catherine, Campbell, Michael J., McElduff, Patrick

Stepped wedge cluster randomised trials: a review of the statistical methodology used and available

- Barker, D., McElduff, P., D'Este, C., Campbell, M. J.