1. Departament de Medicina Facultat de Medicina i Ciències de la Salut, Universitat de Barcelona (UB) Barcelona Spain
2. Bipolar and Depressive Disorders Unit Hospìtal Clinic de Barcelona Barcelona Spain
3. Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS) Barcelona Spain
4. Department of Biomedical and Neuromotor Sciences University of Bologna Bologna Italy
5. Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM) Instituto de Salud Carlos III Madrid Spain
6. Section of Psychiatry, Department of Neuroscience, Reproductive Science and Odontostomatology Federico II University of Naples Naples Italy
7. Department of Psychology, Faculty of Health & Life Sciences Northumbria University Newcastle‐upon‐Tyne UK
8. Department of Human Genetics Radboud University Medical Center, Donders Institute for Brain, Cognition and Behaviour Nijmegen The Netherlands
9. Social, Genetic & Developmental Psychiatry Centre, Institute of Psychiatry, Psychology & Neuroscience King's College London London UK
10. Department of Clinical Neuroscience Centre for Psychiatric Research and Education, Karolinska Institutet Stockholm Sweden