1 University of Zurich, Department of Geography, Switzerland.
2 Boston University, School of Public Health, MA, USA; London School of Hygiene and Tropical Medicine, London, UK. Electronic address: nmaanihe@bu.edu.
3 Loughborough University, Leicestershire, UK.
4 University of California San Francisco, Department of Epidemiology and Biostatistics, Bakar Computational Health Sciences Institute, San Francisco, CA, USA.
5 University of Zurich, Department of Psychology, Switzerland.
6 Dalle Molle Institute for Artificial Intelligence (IDSIA), Switzerland.
7 Boston University, School of Public Health, MA, USA.
8 University of Zurich, Department of Geography, Switzerland; University of Zurich, Epidemiology, Biostatistics and Prevention Institute, Switzerland.