1. Department of Business Management, National Taipei University of Technology, No. 1, Section 3, Chung-Hsiao East Road, Taipei 10608, Taiwan
2. Program in Industrial and Systems Engineering, University of Minnesota, 111 Church Street SE, Minneapolis, MN 55455, USA
3. Antai College of Economics & Management, Shanghai Jiao Tong University, Room 423, North Building, 535 Fahua Zhen Road, Changning, Shanghai 200052, China
4. Department of Business Administration, Chung Yuan Christian University, Chung-Li 320, Taiwan
5. Department of Information and Electronic Engineering, Muroran Institute of Technology, 27-1 Mizumoto-cho, Muroran 050-8585, Japan