title: Conducting feasibility studies in clinical trials are an investment to ensure a good study.
authors.affiliation: Department of Anaesthesia and Pain Management, University of Edinburgh, UK. Electronic address: ahmad.abu-arafeh@nhs.net.
authors.forename: Ahmad
authors.initials: A
authors.lastname: Abu-Arafeh
authors.affiliation: Centre for Clinical Brain Sciences, The University of Edinburgh, Medical School, Teviot Place, Edinburgh EH8 9AG, UK. Electronic address: p.andrews@ed.ac.uk.
authors.forename: Peter J D
authors.initials: PJ
authors.lastname: Andrews
mesh_terms: D002986:Clinical Trials as Topic; D005240:Feasibility Studies; D006801:Humans; D012107:Research Design