| article html file updated | 30 July 2022 08:59 CEST | Update | https://www.mdpi.com/2199-8531/7/4/209 |
| article html file updated | 7 October 2021 14:04 CEST | Update | - |
| article pdf uploaded. | 7 October 2021 14:02 CEST | Updated version of record | https://www.mdpi.com/2199-8531/7/4/209/pdf |
| article xml uploaded. | 7 October 2021 14:02 CEST | Update | https://www.mdpi.com/2199-8531/7/4/209/xml |
| article xml file uploaded | 7 October 2021 14:02 CEST | Update | - |
| article html file updated | 2 October 2021 05:28 CEST | Original file | - |
| article pdf uploaded. | 2 October 2021 05:26 CEST | Version of Record | https://www.mdpi.com/2199-8531/7/4/209/pdf-vor |
| article xml uploaded. | 2 October 2021 05:26 CEST | Update | - |
| article xml file uploaded | 2 October 2021 05:26 CEST | Original file | - |
