title: Stuttering as a trait or a state revisited: motor system involvement in persistent developmental stuttering.
authors.affiliation: Department of Psychology, Neuroscience & Behaviour, McMaster University, Hamilton, ON, Canada.|Department of Neuropsychology & Psychopharmacology, Faculty of Psychology and Neuroscience, Maastricht University, Universiteitssingel 40, Maastricht, Limburg, 6200 MD, The Netherlands.
authors.forename: Michel
authors.initials: M
authors.lastname: Belyk
authors.affiliation: Department of Communication Sciences & Disorders, Wayne State University, Detroit, MI, USA.
authors.forename: Shelly Jo
authors.initials: SJ
authors.lastname: Kraft
authors.affiliation: Department of Psychology, Neuroscience & Behaviour, McMaster University, Hamilton, ON, Canada.
authors.forename: Steven
authors.initials: S
authors.lastname: Brown