Exploring non-retention in clinical trials : A meta-ethnographic synthesis of studies reporting participant reasons for drop out

Acknowledgements: The authors would like to thank Cynthia Fraser for her assistance in helping develop the database searching strategies. Funding: ZCS was supported by a core grant from the CSO (reference CZU/3/3) and a Wellcome Trust Institutional Strategic Support Fund award (reference RG12724-18). RN was supported by a Wellcome Trust Institutional Strategic Support Fund award (reference RG12724-18). KG was supported by an MRC Methodology Research Fellowship (MR/L01193X/1).Peer reviewedPublisher PD