1. Department
of Bionanosystem Engineering, Graduate School, Chonbuk National University, Jeonju 561-756, Republic of Korea
2. Department
of Convergence Technology Engineering, College of engineering, Chonbuk National University, Jeonju 561-756, Republic of Korea
3. Division
of Mechanical Design Engineering, Chonbuk National University, Jeonju 561-756, Republic of Korea
4. Eco-friendly
machine parts design research center, Chonbuk National University, Jeonju 561-756, Republic of Korea