1. Beijing Key Laboratory of Bioelectromagnetism, Institute of Electrical Engineering; Chinese Academy of Sciences; Beijing 100190 China
2. School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences; Beijing 100049 China
3. Department of Sports and Health, Shandong Sport University; Jinan 250102 China
4. France-China Bio-Mineralization and Nano-Structures Laboratory; Beijing 100190 China