Author E. Kontopantelis M. Panagioti T. Farragher L. Munford R. Parisi C. Planner S. Spooner A. Tse D. Ashcroft A. Esmail Year of Publication 2021 DOI 10.1136/bmjopen-2021-054666 DOIGoogle ScholarBibTeXEndNote X3 XMLEndNote 7 XMLEndnote taggedMarcRIS