1. Neuromodulation Center, Spaulding Rehabilitation Hospital, Department of Physical Medicine and Rehabilitation, Harvard Medical School, Boston, Massachusetts
2. Federal University of Uberlândia, Uberlândia, Minas Gerais, Brazil
3. University of São Paulo, São Paulo, São Paulo, Brazil
4. School of Medicine, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil