Hemming K, Haines TP, Chilton PJ, Girling AJ, Lilford RJ. The stepped wedge cluster randomised trial: rationale, design, analysis, and reporting. BMJ (Clinical research ed). 2015;350:h391.
Hemming K, Lilford R, Girling AJ. Stepped-wedge cluster randomised controlled trials: a generic framework including parallel and multiple-level designs. Statistics in medicine. 2015;34(2):181-96.
K Hemming AJ Girling T Haines R Lilford Protocol: Consort extension to stepped wedge cluster ran-domised controlled trials Equator network http://www.equator-network.org/wp-content/uploads/2009/02/Consort-SW-Protocol-V1.pdf
Hemming K, Girling A. A menu-driven facility for power and detectable-difference calculations in stepped-wedge cluster-randomized trials. Stata Journal. 2014;14(2):363-80.
Hemming K, Girling A. The efficiency of stepped wedge vs. cluster randomized trials: stepped wedge studies do not always require a smaller sample size. Journal of clinical epidemiology. 2013;66(12):1427-8.
Hemming K, Girling A, Martin J, Bond SJ. Stepped wedge cluster randomized trials are efficient and provide a method of evaluation without which some interventions would not be evaluated. Journal of clinical epidemiology. 2013;66(9):1058-9.
Hemming K, Girling AJ, Sitch AJ, Marsh J, Lilford RJ. Sample size calculations for cluster randomised controlled trials with a fixed number of clusters. BMC medical research methodology. 2011;11:102.
Hemming K, Marsh J. A menu-driven facility for sample-size calculations in cluster randomized controlled trials. Stata Journal. 2013;13(1):114-35.