1. Visiting Research Scholar, Dept. of Industrial and Systems Engineering, Rensselaer Polytechnic Institute, 110 8th St., Troy, NY 12180 (corresponding author).
2. Research Assistant, Dept. of Industrial and Systems Engineering, Rensselaer Polytechnic Institute, 110 8th St., Troy, NY 12180.
3. Yamada Corporation Professor, Dept. of Industrial and Systems Engineering, Rensselaer Polytechnic Institute, 110 8th St., Troy, NY 12180.