1. Frank Reidy Research Center for Bioelectrics, Old Dominion University, Norfolk, VA 23509, USA
2. Division of Pulmonary and Critical Care, Department of Internal Medicine, Eastern Virginia Medical School, Norfolk, VA 23507, USA
3. School of Medicine, Eastern Virginia Medical School, Norfolk, VA 23507, USA
4. School of Medical Diagnostic & Translational Sciences, College of Health Sciences, Old Dominion University, Norfolk, VA 23509, USA