Author M. Carr D. Ashcroft E. Kontopantelis Y. Awenat J. Cooper C. Chew-Graham N. Kapur R. Webb Year of Publication 2016 DOI 10.1186/s12888-016-0753-5 DOIGoogle ScholarBibTeXEndNote X3 XMLEndNote 7 XMLEndnote taggedMarcRIS