Treweek , S , Wilkie , E , Craigie , A M , Caswell , S , Thompson , J , Steele , R J C , Stead , M , Anderson , A S & BeWEL team 2013 , ' Meeting the challenges of recruitment to multicentre, community-based, lifestyle-change trials : a case study of the BeWEL trial ' , Trials , vol. 14 , 436 . https://doi.org/10.1186/1745-6215-14-436