Fig. 1From: Mortality rates due to respiratory tract diseases in Tehran, Iran during 2008–2018: a spatiotemporal, cross-sectional studyThe 22 districts of the city of Tehran. Authors acknowledge the Tehran Municipality for providing the shape file of Tehran districts used to create this map. The shapefile is freely available from https://map.tehran.ir. The elevation data is freely available from https://earthexplorer.usgs.gov. The image was created by ArcGIS 10.7 (ESRI, Redlands, CA, USA)Back to article page