Authors: J Williams; G Spurlock; P Holmans; R Mant; K Murphy; L Jones; A Cardno; P Asherson; D Blackwood; W Muir; K Meszaros; H Aschauer; J Mallet; C Laurent; P Pekkarinen; J Seppala; C N Stefanis; G N Papadimitriou; F Macciardi; M Verga; C Pato; H Azevedo; M A Crocq; H Gurling; M J Owen