1. Sustainability Consultant, Aarstiderne Arkitekter, Ravnsborg Tværgade 5c, 2200 Copenhagen, Denmark (corresponding author).
2. Professor, Dept. of Civil Engineering, Aalborg Univ., Sofiendalsvej 9-11, 9200 Aalborg, Denmark.
3. Professor, Dept. of Architecture, Design & Media Technology, Aalborg Univ., Gammel Torv 6, 9000 Aalborg, Denmark.