1. Veterans Affairs Boston Healthcare System and the Harold Goodglass Boston University Aphasia Research Center, Department of Neurology, Boston University School of Medicine, Boston, MA, USA
2. Berenson-Allen Center for Noninvasive Brain Stimulation, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
3. Institut Universitari de Neurorehabilitació Guttmann-UAB, Badalona, Spain