1. Instituto de Medicina Molecular and Institute of Physiology, Faculty of Medicine, University of Lisbon, Lisbon, Portugal,
2. Department of Pharmacology and Clinical Neurosciences, Division of Clin Neurophysiology, Umeå University, Norrlands universitetssjukhus, Umeå Sweden, and
3. Department of Neurosciences and Mental Health, Hospital de Santa Maria-Centro Hospitalar Lisboa Norte, Lisbon, Portugal