1. Department of Landscape Architecture, Warsaw University of Life Sciences, Warsaw, Poland
2. The National Institute of Telecommunications—the State Research Institute, Warsaw, Poland
3. , Warsaw, Poland
4. Department of Civil Engineering and Architecture, Kielce University of Technology, Kielce, Poland
5. Imas International sp. z o.o. Instytut badania rynku i opinii społecznej, Wrocław, Poland