1. 1 Department of Electrical and Computer Engineering, Old Dominion University, Norfolk, VA, USA
2. 2 Center for Bioelectrics, Old Dominion University, 4211 Monarch Way, Norfolk, VA 23508, USA
3. 3 Department of Engineering, Mount Vernon Nazarene University, Mount Vernon, OH, USA
4. 4 Department of Surgery, Eastern Virginia Medical School, Norfolk, VA, USA