1. Ph.D. Program of Electrical and Communications Engineering Feng Chia University No. 100 Wenhwa Road, Seatwen Taichung 40724 Taiwan
2. Ph.D. Program of Electrical and Communications Engineering Department of Automatic Control Engineering Feng Chia University No. 100 Wenhwa Road, Seatwen Taichung 40724 Taiwan
3. Department of Biological Science and Technology China Medical University No. 100, Jingmao 1st Rd, Beitun District Taichung 406040 Taiwan