1. Department of Industrial and Systems Engineering, The Hong Kong Polytechnic University, Hung Hum, Hong Kong
2. Department of Building and Real Estate, The Hong Kong Polytechnic University, Hung Hum, Hong Kong
3. Civil Engineering Department, Faculty of Engineering, Assiut University, Assiut, Egypt
4. Department of Decision Sciences, Macau University of Science and Technology, Taipa, Macao