1. School of Electrical Engineering & Intelligentization, Dongguan University of Technology, 74549 Dongguan, Guangdong, China
2. Department of Physics, Shantou University, 12386 Shantou, Guangdong, China
3. College of Science, Shantou University, 12386 Shantou, Guangdong, China
4. School of Electronic Engineering and Intelligentization, Dongguan University of Technology, 74549 Dongguan, Guangdong, China
5. Guangdong Provincial Key Laboratory of Breast Cancer Diagnosis and Treatment, Shantou University Medical College, 66477 Shantou, Guangdong, China