1. School of Electrical and Computer Engineering, College of Engineering, The University of Georgia, Athens, Georgia30602, United States
2. School of Microelectronics and Communication Engineering, Chongqing Key Laboratory of Bio-perception & Intelligent Information Processing, Chongqing University, Chongqing400044, P. R. China
3. Department of Infectious Diseases, College of Veterinary Medicine, The University of Georgia, Athens, Georgia30602, United States
4. Department of Physics and Astronomy, The University of Georgia, Athens, Georgia30602, United States
5. Tifton Veterinary Diagnostic and Investigational Laboratory, The University of Georgia, Athens, Georgia30602, United States