1. School of Business; Chang Gung University, Supply Division, Chang Gung Memorial Hospital; No. 259, Wen-Hwa 1st Rd., Kwei-Shan Township Tao-Yuan 333 Taiwan R.O.C
2. Department of Industrial Management and Information; Southern Taiwan University of Science and Technology; No.1, Nantai St., Yongkang Dist Tainan City 710 Taiwan R.O.C
3. Department of Business Administration; National Kaohsiung University of Science and Technology; No. 415 Chien Kung Road, Sanmin District Kaohsiung 80778 Taiwan R.O.C