1. Faculty of Design and Planning, Agricultural University of Iceland (AUI), 311 Hvanneyri, Iceland
2. Stuart Weitzman School of Design, Landscape Architecture Department, University of Pennsylvania, Philadelphia, PA 19104, USA
3. Department of Planning, Design and Technology of Architecture (DPTA), Sapienza University of Rome, 00185 Roma, Italy
4. Department of Methods and Models for Economics, Territory and Finance (MEMOTEF), Faculty of Economics, Sapienza University of Rome, 00185 Roma, Italy