| article html file updated | 4 August 2021 07:23 CEST | Update | https://www.mdpi.com/2075-4426/11/4/271 |
| article html file updated | 11 April 2021 06:59 CEST | Update | N/A |
| article html file updated | 11 April 2021 06:49 CEST | Update | N/A |
| article html file updated | 4 April 2021 13:23 CEST | Original file | N/A |
| article pdf uploaded. | 4 April 2021 13:22 CEST | Version of Record | https://www.mdpi.com/2075-4426/11/4/271/pdf |
| article xml uploaded. | 4 April 2021 13:22 CEST | Update | https://www.mdpi.com/2075-4426/11/4/271/xml |
| article xml file uploaded | 4 April 2021 13:22 CEST | Original file | N/A |
