Wellcome Trust Centre for Neuroimaging, University College of London, London, UK. jean.daunizeau@gmail.com|Wellcome Trust Centre for Neuroimaging, University College of London, London, UK. jean.daunizeau@gmail.com|Wellcome Trust Centre for Neuroimaging, University College of London, London, UK. jean.daunizeau@gmail.com|Wellcome Trust Centre for Neuroimaging, University College of London, London, UK. jean.daunizeau@gmail.com