1. School of Health and Social Care , Faculty of Medicine, Health and Life Science, , Swansea, Wales SA2 8PP , UK
2. Swansea University , Faculty of Medicine, Health and Life Science, , Swansea, Wales SA2 8PP , UK
3. Department of Human Geography , Faculty of Science and Engineering, , Swansea, Wales SA2 8PP , UK
4. Swansea University , Faculty of Science and Engineering, , Swansea, Wales SA2 8PP , UK