| article html file updated | 20 July 2022 17:16 CEST | Update | https://www.mdpi.com/1424-8220/20/2/408 |
| article html file updated | 15 February 2020 02:02 CET | Update | - |
| article html file updated | 7 February 2020 07:12 CET | Update | - |
| article html file updated | 11 January 2020 07:19 CET | Original file | - |
| article pdf uploaded. | 11 January 2020 07:18 CET | Version of Record | https://www.mdpi.com/1424-8220/20/2/408/pdf |
| article xml uploaded. | 11 January 2020 07:18 CET | Update | https://www.mdpi.com/1424-8220/20/2/408/xml |
| article xml file uploaded | 11 January 2020 07:18 CET | Original file | - |
