1. Department of Mechanical Engineering and
Laboratory for Manufacturing and Productivity, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
2. Department
of Polymer Science and Engineering, Inha University, 100 Inha-ro, Nam-gu, Incheon 402-751, Republic of Korea
3. Department of Mechanical
Engineering, University of Michigan, 2350 Hayward Street, Ann Arbor, Michigan 48109, United States