Carlo J De Luca1, S Hamid Nawab2, Joshua C Kline3. 1. Department of Biomedical Engineering, Boston University, Boston, Massachusetts; Department of Electrical and Computer Engineering, Boston University, Boston, Massachusetts; and Delsys Inc., Natick, Massachusetts cjd@delsys.com. 2. Department of Biomedical Engineering, Boston University, Boston, Massachusetts; Department of Electrical and Computer Engineering, Boston University, Boston, Massachusetts; and. 3. Delsys Inc., Natick, Massachusetts.