1. College of Electronics and Information Engineering, Institute of Applied Electromagnetics, Sichuan University, Chengdu, China
2. School of Electronic and Communication Engineering, Guiyang University, Guiyang, China
3. Laboratoire Plasma et Conversion d’Energie, GRE Group, ENSEEIHT-INPT, University of Toulouse, Toulouse, France
4. State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China