1. Department of Landscape Architecture and Spatial Planning; Norwegian University of Life Sciences; Section for Public Health Sciences; Ås Norway
2. Norwegian University of Life Sciences; Section for Public Health Sciences; Ås Norway
3. Norwegian National Advisory Unit on Ageing and Health; Vestfold Hospital Trust; Tønsberg Norway
4. Faculty of Health Sciences and Social Care; Molde University College; Norway
5. Faculty of Health and Social Studies; Østfold University College; Fredrikstad Norway