TY - JOUR T1 - Sample size calculations for pilot cluster-randomised controlled trial: a review 2010–2020 JO - Pilot and Feasibility Studies UR - https://doi.org/10.1186/s40814-026-01792-z PY - 2026/03/16 AU - Simpson RM AU - Lewis J AU - Campbell MJ AU - Desoysa L AU - Dodd PJ AU - Green D AU - Offorha BC AU - Rombach I AU - Walters SJ AU - Julious S ED - DO - DOI: 10.1186/s40814-026-01792-z PB - Springer Science and Business Media LLC Y2 - 2026/03/18 ER -