Authors: P D White; K A Goldsmith; A L Johnson; L Potts; R Walwyn; J C DeCesare; H L Baber; M Burgess; L V Clark; D L Cox; J Bavinton; B J Angus; G Murphy; M Murphy; H O'Dowd; D Wilks; P McCrone; T Chalder; M Sharpe Journal: Lancet Date: 2011-02-18 Impact factor: 79.321