Author S. Price A. Spencer X. Zhang S. Ball G. Lyratzopoulos R. Mujica-Mota S. Stapley O. Ukoumunne W. Hamilton Year of Publication 2020 DOI 10.1016/j.canep.2020.101805 DOIGoogle ScholarBibTeXEndNote X3 XMLEndNote 7 XMLEndnote taggedMarcRIS