1. Innovation Procurement Research Center, Korea Institute of Procurement, Seoul 06231, Republic of Korea
2. Department of Construction Economics & Finance Research, Construction & Economy Research Institute of Korea, Seoul 06050, Republic of Korea
3. Graduate School, Department of Civil, Environmental and Architectural Engineering, Korea University, Seoul 02841, Republic of Korea
4. Department of Architecture, Soonchunhyang University, Asan 31538, Republic of Korea