1. Department of Industrial and Systems Engineering, The Hong Kong Polytechnic University, Hung Hum, Hong Kong
2. School of Business Administration, Dongbei University of Finance and Economics, Dalian, People’s Republic of China
3. Department of Building and Real Estate, The Hong Kong Polytechnic University, Hung Hum, Hong Kong
4. Department of Decision Sciences, Macau University of Science and Technology, Taipa, Macao