1. Bipolar and Depressive Disorders Unit, Hospital Clínic de Barcelona
2. Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona
3. Psychiatry Department, Hospital Naval, Complexo Universitario de Ferrol (CHUF), Ferrol, A Coruña
4. Neurology Department, Institute of Neuroscience, Hospital Clínic, University of Barcelona, CIBERNED, IDIBAPS, Barcelona, Catalonia
5. Department of Anaesthesiology, Hospital Clínic de Barcelona, Barcelona
6. Biomedical Research Networking Center for Mental Health Network (CIBERSAM), Instituto Carlos III, Madrid, Spain