**Author details**

Rafael Prieto Curiel Centre for Advanced Spatial Analysis, University College London, London, UK

\*Address all correspondence to: rafael.prieto.13@ucl.ac.uk

© 2021 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
