1. Department of Industrial & Systems Engineering, Wayne State University, 4815 Fourth Street, Detroit, MI 48202, USA
2. Department of Industrial Economics and Technology Management, Norwegian University of Science and Technology, Sentralbygg 1, 1165 Gloshaugen, Trondheim, Norway
3. Dr. Otis Bowen Veteran House, 2669 Cold Spring Road, Bldg 9, Indianapolis, IN, 46222, USA