1Center for Neural Science, New York University, 4 Washington Place, Room 809, New York, NY 10003, USA
2IBM T.J. Watson Research Center, Yorktown Heights, NY, USA
3Center for Biomedical Imaging Technology, University of Connecticut Health Center, Farmington, CT, USA
4Department of Electrical and Computer Engineering, Center for Bioelectrics, Old Dominion University, Norfolk, VA, USA