1. State Key Laboratory of Electrical Insulation and Power Equipment, Centre for Plasma BiomedicineXi'an Jiaotong UniversityShaanxi710049People's Republic of China
2. Frank Reidy Center for Bioelectrics, Department of Electrical & Computer EngineeringOld Dominion UniversityVirginia23508USA
3. Department of Electrical and Computer EngineeringOld Dominion UniversityVirginia23529USA