1. College of Science, Sichuan Agricultural University, Xinkang Road, Yucheng District, Ya’an 625014, China
2. College of Information Engineering, Sichuan Agricultural University, Xinkang Road, Yucheng District, Ya’an 625014, China
3. Wuxi School of Medicine, Jiangnan University, Binhu District, Wuxi 214122, China
4. College of Veterinary Medicine, Sichuan Agricultural University, Huimin Road, Wenjiang District, Chengdu 611130, China
5. Graduate Institute of Biomedical Engineering, National Chung Hsing University, No. 145, Xingda Rd., South Dist., Taichung City, Taiwan 402, China