Correction to: Int J Health Geogr (2021) 20:40 https://doi.org/10.1186/s12942-021-00290-0
In this article [1], the wrong figures appeared as Listings 1 to 4; the Listings 1, 2, 3 and 4 should have been appeared as shown.
The in-text reference citations has been arranged in numerical ascending order and the corresponding list has been arranged accordingly.
Function to determine the location of a house perimeter in an urban area
Function to generate random ID in Postgres
Decryption of the random ID and assignment of the original ID to identify the edited house perimeters of a user
Code snippet for the SQL query in Node via a REST interface
Reference
Schmidt F, Dröge-Rothaar A, Rienow A. Development of a Web GIS for small-scale detection and analysis of COVID-19 (SARS-CoV-2) cases based on volunteered geographic information for the city of Cologne, Germany, in July/August 2020. Int J Health Geogr. 2021;20:40. https://doi.org/10.1186/s12942-021-00290-0.
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Schmidt, F., Dröge-Rothaar, A. & Rienow, A. Correction to: Development of a Web GIS for small-scale detection and analysis of COVID-19 (SARS-CoV-2) cases based on volunteered geographic information for the city of Cologne, Germany, in July/August 2020. Int J Health Geogr 20, 43 (2021). https://doi.org/10.1186/s12942-021-00295-9
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DOI: https://doi.org/10.1186/s12942-021-00295-9