Journal article (2012) - J.P. Mccrae (author), G Aguado-de-Cea (author), P Buitelaar (author), P. Cimiano (author), T Declerck (author), A Gomez-Perez (author), J Gracia (author), L. Hollink (author), E Montiel-Ponsoda (author), DP Spohr (author)