Aetiological overlap between obsessive-compulsive related and anxiety disorder symptoms: multivariate twin study

Clara López-Solà¹, Leonardo F Fontenelle¹, Minh Bui¹+6

• ¹Clara López-Solà, MSc, Bellvitge Biomedical Research Institute-IDIBELL, Department of Psychiatry, Bellvitge University Hospital, CIBERSAM (G17), Barcelona and Department of Clinical Sciences, Bellvitge Campus, University of Barcelona, Spain; Leonardo F. Fontenelle, MD, PhD, Programa de Transtornos Obsessivo-Compulsivos e de Ansiedade, Instituto de Psiquiatria, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Instituto D'Or de Pesquisa e Ensino (IDOR), Rio de Janeiro and Instituto de Saúde da Comunidade, Universidade Federal Fluminense (UFF), Rio de Janeiro, Brazil; Minh Bui, PhD, John L. Hopper, PhD, Centre for Molecular, Environmental, Genetic and Analytic Epidemiology, The University of Melbourne, Australia; Christos Pantelis, MD, PhD, Melbourne Neuropsychiatry Centre, Department of Psychiatry, The University of Melbourne, Australia; Murat Yücel, PhD, Monash Clinical and Imaging Neuroscience Laboratory, School of Psychology and Psychiatry, Monash University, Australia; José M. Menchón, MD, PhD, Bellvitge Biomedical Research Institute-IDIBELL, Department of Psychiatry, Bellvitge University Hospital, CIBERSAM (G17), Barcelona and Department of Clinical Sciences, Bellvitge Campus, University of Barcelona, Spain; Pino Alonso, MD, PhD, Bellvitge Biomedical Research Institute-IDIBELL, Department of Psychiatry, Bellvitge University Hospital, CIBERSAM (G17), Barcelona and Department of Clinical Sciences, Bellvitge Campus, University of Barcelona, Spain; Ben J. Harrison, PhD, Melbourne Neuropsychiatry Centre, Department of Psychiatry, The University of Melbourne, Australia.+1