1. Associate Professor, Dept. of Industrial Engineering, Clemson Univ., Clemson, SC 29634 (corresponding author).
2. Assistant Professor, Dept. of Industrial Engineering, Clemson Univ., Clemson, SC 29634.
3. Ph.D. Candidate, Dept. of Industrial Engineering, Clemson Univ., Clemson, SC 29634.
4. Associate Professor, Dept. of Business Administration, South Carolina State Univ., Orangeburg, SC 29117.