| article html file updated | 7 September 2025 06:59 CEST | Update | https://www.mdpi.com/2379-139X/7/4/71 |
| article html file updated | 30 July 2022 19:57 CEST | Update | - |
| article html file updated | 7 December 2021 14:33 CET | Update | - |
| article pdf uploaded. | 7 December 2021 14:31 CET | Updated version of record | https://www.mdpi.com/2379-139X/7/4/71/pdf |
| article xml uploaded. | 7 December 2021 14:31 CET | Update | https://www.mdpi.com/2379-139X/7/4/71/xml |
| article xml file uploaded | 7 December 2021 14:31 CET | Update | - |
| article html file updated | 1 December 2021 11:56 CET | Original file | - |
| article pdf uploaded. | 1 December 2021 11:55 CET | Version of Record | https://www.mdpi.com/2379-139X/7/4/71/pdf-vor |
| article xml uploaded. | 1 December 2021 11:55 CET | Update | - |
| article xml file uploaded | 1 December 2021 11:55 CET | Original file | - |
