1. Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital; Charlestown MA
2. Berenson-Allen Center for Noninvasive Brain Stimulation, Beth Israel Deaconess Medical Center; Boston MA
3. Harvard Medical School; Boston MA
4. Department of Neurology; University of Turku; Turku Finland
5. Division of Clinical Neurosciences; Turku University Hospital; Turku Finland
6. Charité-Universitätsmedizin Berlin; Berlin Germany
7. Deparment of Neurology; University Hospital and Julius Maximilian University; Würzburg Germany
8. Stroke Research Center, Department of Neurology; Massachusetts General Hospital; Boston MA